Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
Calories
5
 
Total Carbohydrate
1 g
<1%**
Vitamin C(as Ester C® calcium ascorbate)
1,000 mg
1,111%
Calcium(as Ester-C® calcium ascorbate)
100 mg
8%
Citrus BioflavonoidComplex
200 mg
***
Acerola Extract
25 mg
***
Rose Hips (fruit)
25 mg
***
Rutin
25 mg
***

The product is found useful for the following medical conditions

Sore Throat details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Excellent
Based on 13 Reviews
9.1
9.5
Protective vitamin
Most Useful Review
Ester-C is fantastic! After reading about vitamin C's benefits, I started taking it, and it has indeed helped bolster my immunity. When my husband caught a cold, I had him take it right away at the first signs. Initially, he felt mild indisposition, then slight weakness. By the third day, he was healthy with no fever, runny nose, or sore throat. My preventive routine with vitamin C clearly worked!

Cold details

SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Excellent
Based on 352 Reviews
9
We explored the effects of vitamin C on the common cold and pneumonia by examining a range of studies. Interestingly, research on animals suggests that vitamin C may have protective effects against infections. However, when it comes to preventing colds in the general population, taking more than 1 gram of vitamin C per day didn’t show significant benefits.

But there's a twist! Participants engaged in heavy physical activities saw their cold incidence reduced by half with vitamin C supplementation. Additionally, regular intake of 1 gram or more daily was linked to a 15% decrease in cold severity. While some therapeutic trials showed inconsistent results when vitamin C was taken after cold symptoms appeared, two studies did indicate that larger doses (6-8 grams per day) could effectively shorten the duration of colds compared to lower doses.

Our investigation also looked into pneumonia, but the studies were conducted in unique settings, such as a boarding school and military recruits. This makes it hard to generalize the findings to the wider population. Yet, some trials suggested benefits for pneumonia patients. Finally, the role of vitamin C in treating COVID-19 and sepsis remains unclear, with mixed results.

Given that vitamin C seems to alleviate symptoms and shorten the duration of colds, while being safe and affordable, it might be worth considering a dose of 6-8 grams per day to see if it helps at an individual level.
9.5
Effective against cold
Most Useful Review
In the season of colds, I take one daily. I forgot about the cold and, interestingly, herpes has also disappeared. The only downside is that the tablets are quite large and hard to swallow. I split them and drink them.

Common Cold details

SCIENTIFIC SCORE
Possibly Effective
Based on 7 Researches
7.4
USERS' SCORE
Excellent
Based on 89 Reviews
9
We explored how vitamin C affects the severity of common colds through a comprehensive review of available studies. By including only randomized, placebo-controlled trials where participants received at least 1 gram of vitamin C daily, we aimed to investigate both the overall duration of colds and the intensity of symptoms experienced.

Our analysis found that vitamin C significantly reduced the severity of cold symptoms by about 15%. Interestingly, it appears that the benefits are more pronounced for those experiencing severe symptoms compared to mild ones. In specific comparisons, vitamin C didn’t substantially affect the duration of mild symptoms but had a notable impact on how long severe symptoms lasted.

This insight is crucial, as the common cold often leads to absenteeism at work and school, with more severe symptoms playing a key role in this setback. By highlighting vitamin C's greater effectiveness against intense cold symptoms, we suggest that future research should continue to look into how this vitamin can be utilized in managing cold severity.
9.5
Powerful immune support
Most Useful Review
Vitamin C is indispensable during the cold season, as it enhances the absorption of other medications like iron. It's particularly important for smokers since this vitamin is quickly depleted in their bodies. Additionally, Vitamin C combats premature ageing and acts as a strong antioxidant that neutralises toxins.

Flu details

SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7.2
USERS' SCORE
Good
Based on 80 Reviews
8.9
We examined the effects of vitamin C on pneumonia caused by the influenza virus, specifically the H1N1 strain, in mice under stress. The study found that when exposed to restraint stress, the mice experienced increased mortality and more severe pneumonia symptoms.

However, by giving them oral vitamin C at doses of 125 and 250 mg/kg, we observed a significant reduction in these severe outcomes. Vitamin C seemed to modulate the expression of certain genes related to the immune response, such as MAVS and IRF3, and increased the expression of NF-κB, which plays a key role in the body's antiviral defense.

Our research suggested that vitamin C's protective effects might stem from its ability to inhibit excess cortisol production in the adrenal gland, which is often elevated due to stress. By lowering cortisol levels, vitamin C may help reduce susceptibility to influenza infections, making it a potential ally during the flu season, especially for those experiencing stress.

Through these findings, we highlighted a new mechanism for how vitamin C can be beneficial during influenza infections, particularly for those who are feeling overwhelmed.
9.5
Life-changing vitamin
Most Useful Review
I wholeheartedly recommend vitamin C. My life transformed when I began taking it regularly. Previously, I suffered from colds and flu throughout the year, but I’ve forgotten about these ailments since it became my ally, boosting my immunity. I encourage all my family and friends to embrace this wonderful vitamin.

Reflux details

SCIENTIFIC SCORE
Possibly Effective
Based on 2 Researches
7.5
USERS' SCORE
Good
Based on 7 Reviews
8.9
We aimed to understand how Vitamin C could help with the toxicity caused by omeprazole, a common treatment for conditions like gastroesophageal reflux disease (GERD) and gastritis. During our study, we examined gastric cells from rabbits to see how Vitamin C, alongside other antioxidants, could protect these cells from damage caused by omeprazole.

We found that both omeprazole and another thiol-oxidant, monochloramine, significantly reduced cell viability. Interestingly, the toxicity from omeprazole occurred independently from monochloramine. However, we observed that using Vitamin C effectively protected the gastric cells from this injury, maintaining their function without interfering with omeprazole's intended effects.

This suggests that incorporating Vitamin C into treatment plans for people using proton pump inhibitors (PPIs) like omeprazole could be beneficial. Ultimately, our research highlights the potential of using antioxidants to mitigate the adverse effects often associated with medication for reflux and related conditions.
9.5
Less acid reflux
Most Useful Review
It is easy to chew. Eat and take the vitamin C! Thanks to that, there is less acid reflux.

Bone Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 6 Reviews
8.8
9.5
Ideal for pain relief
Most Useful Review
The best remedy for strengthening the immune system and warding off seasonal illnesses is Ester-C, a unique non-acidic form of vitamin C (calcium ascorbate). It won’t irritate the gastric and intestinal lining due to its neutral pH, making it perfect for those who experience abdominal pain or indigestion from regular ascorbic acid. Additionally, it is enhanced with citrus bioflavonoids, a natural complement to vitamin C.

Chronic Cough details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 7 Reviews
8.8
9.5
Relieves chronic cough
Most Useful Review
Ester-C is reliable and gentle on the stomach. I regularly order it for my mum, who suffers from chronic gastritis and ulcers, as it helps her avoid irritation.

Anemia details

SCIENTIFIC SCORE
Possibly Effective
Based on 8 Researches
7.9
USERS' SCORE
Good
Based on 6 Reviews
8.7
We observed a fascinating phenomenon related to vitamin C and anemia during a series of cases in a prison setting in Ethiopia. Specifically, we examined how scurvy, a disease caused by a lack of vitamin C, contributed to anemia among prisoners.

Our study focused on ten patients who were admitted for treatment, all of whom presented with some form of leg swelling or pain. After administering vitamin C in the form of ascorbic acid, we noted a significant increase in hemoglobin levels, rising from an average of 4.6 to 7.1 g/dL. This improvement indicates that vitamin C may play a crucial role in alleviating some anemia symptoms when the underlying cause is related to dietary deficiencies.

Additionally, through an observational study involving 67 other patients in the same prison, we confirmed that leg swelling and pain were common symptoms among those affected. With consistent therapeutic doses of vitamin C, all patients showed considerable improvement in their conditions.

Thus, we can conclude that vitamin C does seem to have a valuable effect on anemia caused by dietary deficiencies, particularly in high-risk environments like prisons. This finding encourages healthcare providers to remain vigilant about such nutritional deficiencies and highlights the importance of vitamin C in treatment.
9.5
Overall health improvement
Most Useful Review
For treating anemia, I was prescribed Ester-C 1000 mg, taken with an iron supplement for better absorption. I experienced no side effects. My skin, nails, and hair have become healthier, and my overall condition has improved as acute respiratory infections stopped occurring. The dosage is generous, lasting a long time at an affordable price.

Athlete’s Foot details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.7
9.5
Effective for colds
Most Useful Review
An excellent vitamin C! I had the chance to test it on my mother-in-law when she caught a cold, and it had her back on her feet in just two days! We took two tablets over two days as a loading dose, and after that, she felt fantastic! I would highly recommend it for colds but don't plan to take it continuously.

Bruise details

SCIENTIFIC SCORE
Moderately Effective
Based on 9 Researches
8.2
USERS' SCORE
Good
Based on 5 Reviews
8.7
We explored how vitamin C can impact bruising, particularly in individuals experiencing a deficiency. The research highlighted a case involving an elderly woman who faced challenges such as weakness, easy bruising, and fatigue due to a lack of this vital nutrient.

After beginning treatment with vitamin C supplements, we observed significant improvements in her symptoms, emphasizing the importance of this vitamin in healthier skin and tissue repair. It showcased that scurvy, a condition rooted in vitamin C deficiency, can still occur today, especially in certain at-risk populations.

This case reminds us that while scurvy might seem like a relic of the past, it can still affect modern individuals. Skin issues like easy bruising can sometimes signal deeper dietary concerns that need addressing, especially in older adults.
9.5
Bruises disappeared
Most Useful Review
Vitamin C is a staple in my life, especially since a prolonged herpes attack three years ago. Despite trying various ointments and medications, nothing worked until the pharmacist suggested vitamin C with zinc. It was miraculous! The herpes has not returned in three years, and it also combats colds effectively. My family takes it regularly, and astonishingly, my children have never missed school due to illness. I also benefit from it, with bruises fading and not reappearing. I prefer Ester-C for its prolonged action and stomach-friendly properties. Overall, it's greatly improved our health!

Ear Infection details

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.7
USERS' SCORE
Good
Based on 3 Reviews
8.7
We observed that malignant external otitis (MEO), a severe infection of the outer ear often found in elderly patients with uncontrolled diabetes, can significantly impair the body's defense mechanisms. In a notable case, a 58-year-old man struggling with MEO had faced months of ineffective treatments.

To delve deeper, we tested the function of his immune cells, specifically his polymorphonuclear neutrophil leukocytes (PMNs), which play a crucial role in fighting infections. Our findings revealed that his PMNs had difficulty migrating to the site of infection, a critical step for addressing such health issues.

We discovered that ascorbic acid, commonly known as vitamin C, could improve this migration defect in laboratory tests. In practical terms, after just one month of vitamin C treatment, the patient's chemotaxis results normalized, and remarkably, his ear lesions began to heal.

Even though the exact reasons for the PMN dysfunction remain unclear, possibly due to factors like age and diabetes, this case highlights the importance of assessing PMN function in MEO patients and suggests that immunomodulators like vitamin C might offer a valuable treatment pathway.
9.5
Effective for prevention
Most Useful Review
Most often, I use it for any manifestation of a viral infection, including ear infections. It never fails, and there was no allergic reaction.

Heartburn details

SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 33 Reviews
8.7
We investigated how vitamin C, specifically in the form of a 2% vitamin C solution spray, could help alleviate heartburn symptoms following Lugol chromoendoscopy, a procedure that involves staining the esophagus to better visualize abnormalities. In a well-structured study with 240 participants, we used a randomized, double-blind approach to compare the effectiveness of vitamin C to normal saline and sodium thiosulfate solutions.

Our results showed that vitamin C spray significantly reduced both acute heartburn symptoms and late discomfort when compared to the saline solution. Specifically, 33% of participants using vitamin C reported relief from acid regurgitation or heartburn, compared to just 15% with sodium thiosulfate. Additionally, patients noted an improvement in retrosternal pain, with 21% finding relief from the vitamin C treatment versus 9% from sodium thiosulfate.

Furthermore, vitamin C offered a quicker discoloration of the iodine-stained mucosa compared to saline, enhancing the overall experience of the procedure. These findings suggest that incorporating vitamin C spray into post-procedural care could be a helpful strategy for patients facing discomfort after undergoing Lugol chromoendoscopy.
9.5
No heartburn effect
Most Useful Review
Another high-quality product from Solgar. Ester-C is a gentle form of vitamin C that doesn't cause heartburn or any unpleasant sensations.

Leg Cramps details

SCIENTIFIC SCORE
Questionable
Based on 1 Research
5
USERS' SCORE
Good
Based on 5 Reviews
8.7
We explored the effects of vitamin C on leg cramps in a group of 60 pregnant women through a double-blind trial. Participants received either calcium or vitamin C (1 g twice daily) as treatment. Our observations revealed that there was no significant difference in clinical improvement between the two treatment groups.

Notably, 14 patients experienced complete relief from symptoms, while 27 reported significant improvement regardless of which treatment they received. Unfortunately, 17 participants found their symptoms unchanged, and only two noticed an increase in leg cramps during the treatment period.

Throughout the study, we measured serum levels of total and ionized calcium, total magnesium, and albumin, but these parameters did not show significant changes in either treatment group. We also didn’t identify any biochemical differences when comparing the effectiveness of vitamin C and calcium for alleviating cramps.

Ultimately, our findings suggest that vitamin C may not be an effective solution for leg cramps in pregnant women, as both treatments yielded similar results with minimal biochemical changes.
9.5
Helps leg cramps
Most Useful Review
Excellent magnesium has significantly helped me with leg cramps. It also promotes good and continuous sleep. This particular type of Solgar is of very high quality.

Ulcer details

SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7.8
USERS' SCORE
Good
Based on 5 Reviews
8.7
We observed the potential benefits of vitamin C in managing gastric ulcers under conditions of myocardial injury, which was induced using adrenaline in our study. Thirty Wistar rats were carefully divided into five groups, ensuring a control group for comparison.

The rats that received adrenaline alone showed increased gastric secretions and elevated markers related to heart injury. However, those pre-treated with vitamin C experienced a notable reduction in ulcer severity and excessive gastric secretions.

Interestingly, when we administered vitamin C before the adrenaline exposure, we found that it significantly decreased both the volume of gastric juice and total acidity, while also enhancing some protective factors. In essence, our research indicates that vitamin C may play a protective role in gastric health, particularly amid the stressful conditions created by adrenaline.
9.5
Effective absorption
Most Useful Review
My friends frequently order this. It’s beneficial for those with gastrointestinal issues, as it strengthens the immune system. This complex does not irritate the stomach, making it crucial for those with gastritis or ulcers. Ester-C is absorbed more efficiently than other forms of vitamin C due to its natural composition, which includes citrus flavonoids and acerola fruits, ensuring longer activity in the body.

Asthma details

SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 2 Reviews
8.6
We conducted a thorough investigation to examine how vitamin C, when combined with pleuran (a natural extract from mushrooms), influences asthma control and respiratory health in children with partially controlled perennial asthma. Our study was a double-blind, placebo-controlled clinical trial involving 230 children aged 7 to 17 years, split evenly into an active treatment group and a placebo group.

Over a 24-week period, children in the active group received both pleuran and vitamin C, while the placebo group received vitamin C alone. It was exciting to find that children younger than 12 years who received the combination treatment showed notable improvement in their control of asthma symptoms compared to those on placebo. Additionally, older children in the active group reported fewer respiratory infections, an important benefit for their overall health.

By the end of our 48-week study, we saw a significant improvement in asthma control in a high percentage of children receiving the active treatment. Notably, this combination appeared safe, with no serious side effects reported. Overall, our findings suggest that while vitamin C's isolated effects can't be fully assessed due to its combination with pleuran, the combined treatment offers promising benefits for managing asthma in children.
9.5
Asthma relief
Most Useful Review
I have been using Ester-C from Solgar for many years for every virus and for asthma that I suffered from 20 years ago. This product has significantly helped me to overcome it.

Autoimmune Disorder details

SCIENTIFIC SCORE
Moderately Effective
Based on 11 Researches
8
USERS' SCORE
Good
Based on 10 Reviews
8.6
We investigated how vitamin C, also known as ascorbic acid, might impact autoimmune disorders like rheumatoid arthritis. Through a study involving a mouse model of collagen-induced arthritis, we administered vitamin C or a placebo solution and observed the effects on the immune response and disease progression.

Notably, the research showed that mice given vitamin C experienced a significant delay in the onset of arthritis and a reduction in disease severity. This suggests that vitamin C can play a critical role in managing autoimmune conditions by minimizing the production of autoantibodies, which are harmful antibodies that mistakenly attack the body's tissues.

Our findings revealed that vitamin C reduced the number of plasma cells and decreased antibody production in response to immunization. This indicates that vitamin C influences the immune system's response at a cellular level, helping to prevent the emergence of autoreactive plasma cells. We also discovered that the mechanism behind this effect involved inhibiting the Stat3 signaling pathway, leading to less activation of autoreactive immune components.

Ultimately, these results highlight the potential of vitamin C not just as a nutrient, but as a strategic tool in managing autoimmune disorders. By simply supplementing with vitamin C, there may be a way to intervene positively in the progression of diseases like rheumatoid arthritis.
9.5
Increased haemoglobin
Most Useful Review
Great product! I had issues with iron, and a blood test showed my haemoglobin level was only 77 units (normal 119-146). After taking iron and acid-free vitamin C, my haemoglobin increased to 109 units in just a few weeks! I took two iron capsules with one vitamin C capsule daily, and my doctors were astounded by the rapid improvement. No allergies or digestive issues occurred. Highly recommended!

Cough details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8.6
9.5
Immediate relief
Most Useful Review
Great results. I have been using Ester-C plus 1000 mg vitamin C for many years. When I feel my throat aching, my nose leaking, or my cough intensifying, I start with one pill a day, and it usually eases immediately. If it persists, I take two to three a day until I'm back to normal.

Gastritis details

SCIENTIFIC SCORE
Possibly Effective
Based on 12 Researches
7.7
USERS' SCORE
Good
Based on 9 Reviews
8.6
We aimed to discover how vitamin C supplementation affects oxidative stress in individuals diagnosed with chronic gastritis. In this study, we looked at 244 Japanese patients suffering from atrophic gastritis. They were randomly assigned to receive either 50 mg or 500 mg of vitamin C every day for five years.

After analyzing the results, we found notable differences between the two groups. The high-dose group experienced a significant decrease in reactive oxygen species (ROS), suggesting that vitamin C may help reduce oxidative stress associated with chronic gastritis. In contrast, the low-dose group reported an increase in ROS levels. These findings prompt further interest in how vitamin C can protect against oxidative stress in similar conditions.

Overall, our study supports the idea that higher doses of vitamin C could have a beneficial effect on oxidative stress, particularly in those dealing with gastritis. This insight opens avenues for considering vitamin C as a potential supportive treatment for managing oxidative stress-related issues in digestive health.
9.5
Effective and gentle
Most Useful Review
This vitamin C form is excellent; I chose it to take with collagen as it doesn’t irritate the gastric mucosa, which is a significant advantage for those with gastritis. It's four times more effective than ascorbic acid, though the tablets are large.

Influenza details

SCIENTIFIC SCORE
Possibly Effective
Based on 6 Researches
7.3
USERS' SCORE
Good
Based on 4 Reviews
8.6
We explored the relationship between vitamin C and influenza, delving into various studies conducted from 2000 to June 2021. In our analysis of the research, we found eleven studies that specifically examined the effects of vitamin C on influenza.

While some of these studies reported positive outcomes, we should note that the isolated benefits of vitamin C can be hard to determine. This is primarily because some studies included additional treatments, making it difficult to draw definitive conclusions about vitamin C alone.

Overall, we observed that while there is some interest and preliminary evidence regarding the efficacy of vitamin C in preventing or treating influenza, its stand-alone effectiveness remains somewhat unclear.

Continued research should help clarify how much vitamin C can truly contribute to combating influenza.
8.8
Strengthens body
Most Useful Review
Solgar is consistently excellent. This vitamin C is in a highly digestible form, which is important for our stomachs. Drinking it during influenza epidemics strengthens the body and is effective when combined with Lysine and zinc to combat herpes.

Irritable Bowel Syndrome details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.6
9.5
Lifesaver for IBS
Most Useful Review
For those with an irritable stomach, liposomal VC is a lifesaver.

Pneumonia details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9.5
Immunity boost
Most Useful Review
I have found these supplements to significantly help my recovery from pneumonia, especially when I increase the dose during autumn and spring. A pleasant bonus is that they uplift my mood.

Sinusitis details

SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Good
Based on 2 Reviews
8.6
We explored the effects of L-ascorbate, commonly known as Vitamin C, on chloride transport in sinonasal epithelial tissues. This research is particularly significant as it addresses the common condition of chronic rhinosinusitis (CRS) and its potential link to the function of the cystic fibrosis transmembrane conductance regulator (CFTR) — a key chloride ion channel.

During our investigation, we utilized freshly excised sinonasal tissues from both normal individuals and patients suffering from CRS. The tissues were carefully prepared and tested to understand how L-ascorbate influenced chloride secretion. Our findings revealed that the application of L-ascorbate notably enhanced chloride secretion in these tissues.

This is important because optimal chloride transport is essential for maintaining healthy mucosal surfaces and effective mucociliary clearance. Therefore, since decreased chloride secretion could lead to the worsening of sinus conditions, L-ascorbate presents a promising avenue for therapeutic intervention in improving mucociliary clearance for those affected by chronic sinus issues.
9.5
Effective treatment
Most Useful Review
Large doses of vitamin C have worked wonders for me. I took 25,000mg daily and overcame my sinusitis in no time. I highly recommend this tablet; it's easy to take and can't cause an overdose.

Sleep Apnea details

SCIENTIFIC SCORE
Possibly Effective
Based on 11 Researches
7.5
USERS' SCORE
Good
Based on 3 Reviews
8.6
We evaluated how vitamin C might improve endothelial function in patients with obstructive sleep apnea (OSA). In our study, we compared 10 individuals with untreated OSA to 10 matched control subjects without sleep issues. We measured how well blood vessels reacted to increased blood flow, known as flow-mediated dilation (FMD), using ultrasound before and after administering vitamin C.

Our findings revealed a significant difference: baseline FMD was lower in OSA patients compared to the control group. However, after an intravenous injection of vitamin C, the FMD in OSA patients improved dramatically, reaching levels similar to those seen in the healthy controls. Interestingly, vasoreactivity in the control subjects remained unchanged.

These results suggest that oxidative stress might be a key factor contributing to the endothelial dysfunction experienced by individuals with OSA. The positive response to vitamin C opens up exciting possibilities for exploring antioxidant treatments in managing cardiovascular issues related to OSA.
9.5
Improved sleep health
Most Useful Review
Solgar Extended Release Vitamin C is ideal for me as I take it at night with melatonin. This specific vitamin C greatly supports sleep health; my doctor recommended it to me, and I absolutely loved it.

Whooping Cough details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.6
9.5
Effective supplement
Most Useful Review
This product is of excellent quality, highly effective in warding off cough and flu.

Cardiovascular Disease details

SCIENTIFIC SCORE
Moderately Effective
Based on 4 Researches
8
USERS' SCORE
Good
Based on 4 Reviews
8.5
We explored the effects of vitamin C on natural killer (NK) cell activity in patients with coronary artery disease (CAD). Our research involved isolating NK cells from 29 CAD patients and treating them with various stimulatory factors, including ascorbic acid—better known as vitamin C.

What we found was quite interesting: when NK cells were treated with ascorbic acid, there was a significant increase in their ability to proliferate. This meant that the NK cells were more active and potentially more effective in responding to threats in the body, which is vital for those dealing with heart conditions.

Furthermore, we measured serum lactate dehydrogenase (LDH) levels, discovering a negative correlation between LDH and NK cell activity. Higher LDH levels seemed to indicate lower proliferation capability in NK cells influenced by interleukins.

Overall, our study suggests that vitamin C could play a positive role in enhancing immune function in CAD patients by promoting NK cell proliferation. However, it's important to note that while vitamin C shows promise, further research is needed to fully understand its impact on cardiovascular health and immune regulation.
9.5
Maintains immunity effectively
Most Useful Review
The best form of vitamin C is calcium ascorbate. It is natural, easily absorbed, and does not irritate the stomach, making it suitable for those with stomach issues. An essential tool for maintaining immunity and alleviating symptoms of cardiovascular disease.

Diarrhea details

SCIENTIFIC SCORE
Questionable
Based on 2 Researches
6.5
USERS' SCORE
Good
Based on 4 Reviews
8.5
We investigated how adding vitamin C to milk influences the growth and health of young calves, particularly those experiencing diarrhea. The study involved 48 Holstein calves, which were sorted into two groups based on their health status: healthy calves and those with diarrhea. Each calf was fed the same amount of pasteurized milk and monitored until they reached 74 days of age.

Calves that received vitamin C showed an impressive increase in weight by weaning—74.3 kg compared to 72.2 kg for those without vitamin C. Additionally, calves treated with vitamin C demonstrated improved blood antioxidant levels, suggesting better overall health. Notably, calves suffering from diarrhea benefitted significantly from the vitamin C, needing fewer days of medication for treatment compared to those who did not receive the supplement.

The research highlights that vitamin C can play a critical role in supporting the health of calves during episodes of diarrhea. This is especially relevant for those that faced even mild cases early in life, as they seemed to gain the most benefits from the supplementation. Overall, it appears that vitamin C can positively impact both growth and health in calves suffering from diarrhea.
9.5
Diarrhea disappeared
Most Useful Review
I gave this to an acquaintance who experiences diarrhea when taking vitamin C, and it appears that the diarrhoea has now vanished. I highly recommend it.

Rosacea details

SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Good
Based on 5 Reviews
8.5
We explored the effectiveness of Rutin Forte, a treatment that includes long-acting vitamin C along with zinc and selenium, in managing rosacea, particularly in its erythematous stage. Our study included 30 patients—20 women and 10 men, aged 25 to 50—who were divided into two groups. One group received standard treatments like antibiotics and topical therapies, while the other group received the same treatments along with Rutin Forte for 2 to 3 months.

Over a 12-month observation period, we observed significant improvements in the group that received Rutin Forte. This group showed a notable reduction in erythema, the redness associated with rosacea, and intriguingly, there were no relapses of the condition. Conversely, the standard treatment group experienced recurrences of rosacea by the third month of follow-up, and their reduction in erythema was less pronounced.

This indicates that Rutin Forte, likely due to the vitamin C it contains, might play a beneficial role in treating and preventing rosacea symptoms, particularly in stubborn cases. Overall, our findings suggest that incorporating vitamin C into rosacea treatment can be quite effective.
8.8
Visible skin improvement
Most Useful Review
Assistant for rosacea working from within, I accepted it on the recommendation of a cosmetologist, alongside bioflavonoids and Omega 3. For over a year now, I've observed a change in my skin's condition and quality, noticeable after 3-4 months of consistent use. I've reordered and highly recommend this product! Additionally, I experienced very few colds during the two autumn-winter periods. Wishing good health to all!

Brain Tumor details

SCIENTIFIC SCORE
Possibly Effective
Based on 12 Researches
7.8
USERS' SCORE
Good
Based on 3 Reviews
8.4
We aimed to understand how a lack of vitamin C influences the growth of glioblastoma, one of the most aggressive types of brain tumors. Using guinea pigs, we tested the effects of a vitamin C-deficient diet on tumor growth caused by two different human glioblastoma cell lines, U87-MG and HSVT-C3.

Through this study, we observed that the absence of vitamin C significantly hindered tumor proliferation in both models. Notably, we found that vitamin C deficiency reduced factors associated with tumor growth, such as vasculature and immune cell infiltration, particularly in the HSVT-C3 cells, which are known for their stem cell-like properties.

Our findings suggest that vitamin C plays a crucial role in supporting tumor growth, and when absent, it can lead to a notable reduction in glioblastoma progression. This emphasizes the potential importance of maintaining adequate vitamin C levels for patient outcomes in brain tumor scenarios.
9.5
High-quality benefits
Most Useful Review
Powerful with high quality and immense benefits. Though the tablets are somewhat large, they are manageable and gentle on the stomach (not acidic). Composed of natural ingredients, they are quickly absorbed and pass through the blood-brain barrier. After ordering this before, I’ve continued to recommend it to family and friends!

Liver Disease details

SCIENTIFIC SCORE
Possibly Effective
Based on 11 Researches
7.9
USERS' SCORE
Good
Based on 2 Reviews
8.4
We evaluated how vitamin C, also known as ascorbic acid, can help protect the liver during procedures that temporarily cut off blood flow—a process known as ischaemia followed by reperfusion. In this study, we used thirty-six male Wistar rats, split into control groups and experimental ones. Each group received the same total dose of vitamin C, administered at different times: either before the ischaemia, before the reperfusion, or both.

Our findings showed that the animals given vitamin C before both the ischaemia and reperfusion had improved outcomes. They had lower levels of liver enzymes, indicating less liver damage, and showed reduced inflammation. Additionally, their portal blood flow was better when compared to the other groups. Overall, our results suggest that administering vitamin C at specific times can significantly reduce liver injury associated with ischaemia-reperfusion.

This study highlights the potential of vitamin C as a protective agent in situations where liver damage is a concern during surgeries or treatments involving blood flow disruption.
8.3
Boosts immunity
Most Useful Review
My husband has liver disease, and it's crucial for him to maintain his immunity. After finishing three cans of this product, he didn't fall ill at all. I also provide him with additional vitamins for men. I highly recommend it.

Urinary Tract Infection details

SCIENTIFIC SCORE
Possibly Effective
Based on 10 Researches
7.1
USERS' SCORE
Good
Based on 2 Reviews
8.4
We explored how vitamin C (VC) might help in treating cystitis glandularis (CG), a condition often linked with urinary tract infections (UTIs). Utilizing network pharmacology, we identified potential therapeutic targets of VC and the biological pathways it may influence to alleviate CG symptoms.

Our study involved both bioinformatic analyses and real-world observations, including human and animal studies. Through these methodologies, we pinpointed key biomarkers associated with CG, such as TNF-α, IL6, and c-Jun, which were notably elevated in patient samples.

Encouragingly, when VC was administered to mice with CG, we observed a significant decrease in these inflammatory markers in both blood and bladder samples. This suggests that VC could play a beneficial role in reducing symptoms associated with UTIs by targeting these key molecular pathways.
8.3
Strengthened immunity
Most Useful Review
My immunity has noticeably improved; I no longer sneeze constantly. I've experienced no gastrointestinal side effects, despite having increased stomach acidity and no heartburn. It effectively halts the onset of a cold. Vitamin C benefits my skin while enhancing my stamina and activity levels.

Allergies details

SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 6 Reviews
8.3
We conducted a thorough evaluation of how vitamin C, when combined with pleuran, impacts asthma control and respiratory issues in children suffering from perennial asthma. The study was meticulously designed as a double-blind, placebo-controlled trial involving 230 children aged 7 to 17 years. This means that neither the participants nor the researchers knew who was receiving the active treatment or the placebo, ensuring the findings were reliable.

The results were promising, especially for children under 12 years. They showed significant improvements in asthma control compared to those receiving only the placebo treatment. Meanwhile, older children (12 years and above) experienced fewer respiratory infections with the combination treatment. Overall, by the end of the 48 weeks, a majority of children on the pleuran and vitamin C treatment reported better asthma control compared to those on the placebo.

While the combination of pleuran and vitamin C was indeed beneficial for managing asthma, we must note that the study did not specifically isolate the effect of vitamin C alone on allergies or asthma. Thus, it is hard to draw definitive conclusions about vitamin C's effectiveness independently from pleuran. However, the approach suggested that using these supplements together could offer a helpful boost in managing asthma symptoms.
10
Total allergy relief
Most Useful Review
These tablets have eliminated all my allergies. I have been taking them since April 2016 and haven’t had a cold since, experienced a surge of energy, and they don't upset my stomach – I highly recommend them! I started taking them alongside Magnesium Malate and have completely cured my allergies.

Chronic Fatigue Syndrome details

SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7
USERS' SCORE
Good
Based on 7 Reviews
8.3
We examined how a combination of megadose vitamin C infusions and other treatments might help manage chronic fatigue syndrome, particularly in the context of interstitial pneumonia. Our findings were based on nearly a decade of treating patients, allowing us to gather valuable insights.

We observed that the long-term use of this treatment system significantly reduced the risk of pneumonia recurrence. It also appeared to help prevent the emergence of certain cancers in older patients suffering from interstitial pneumonia. Surprisingly, we found a link between interstitial pneumonia and an increased risk of depression, likely driven by prolonged glucocorticoid use.

While some patients showed promise under this treatment, those battling both interstitial pneumonia and depression responded less favorably. We suggested that increasing the amount of dehydroepiandrosterone in the treatment could be beneficial. Throughout our experience, we noted that the characteristics of chronic fatigue syndrome align closely with those of interstitial pneumonia, arguing against the notion that they should be viewed as separate conditions.

Overall, our approach not only alleviated inflammation but did not suppress the fibrotic processes in the long run. We made modifications to the treatment to lower the risks of vascular complications. The main strength of our treatment lies in creating a hormonal environment that helps tackle immune deficiencies using vitamin C, which faces lower resistance in the body compared to steroid treatments.
8.8
Effective restoration
Most Useful Review
I found it good for fatigue. Taking one tablet daily was effective for restoring my energy.

Cold Sores details

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 15 Reviews
8.3
We investigated how an ascorbic acid-based solution could help treat recurrent cold sores, also known as mucocutaneous herpes. This study was carefully designed as a randomized, double-blind, placebo-controlled trial, which helps ensure the results are reliable and trustworthy.

Participants used a strong solution of Ascoxal, rich in vitamin C, applied to their cold sores multiple times on the first day of the outbreak. We monitored various symptoms daily, including the severity of scabs, redness, and blisters, comparing the experiences of those using the vitamin C solution to a placebo group.

Our findings were promising: the active treatment resulted in fewer days with scabbing and less severe symptoms overall. Moreover, those using the vitamin C solution showed reduced persistence of scabs compared to the placebo group, along with a lower frequency of detected herpes virus after treatment.

In conclusion, this brief course of vitamin C treatment appears to have significant clinical benefits against cold sores, opening the door for future research on more extensive and frequent treatment regimes.
10
Prevented colds
Most Useful Review
I began taking vitamin C a year ago and haven't had a single cold since. 😎 Adding zinc made it even more effective.

Pelvic Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.3
8.3
Knee pain relief
Most Useful Review
Very good... After just two weeks, my wife's knee pain has disappeared.

Bloating details

SCIENTIFIC SCORE
Possibly Effective
Based on 1 Research
7
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.9
We aimed to explore how different measures of vitamin C might influence premenstrual symptoms, particularly bloating. In this study, we analyzed data from 555 women aged 20 to 29 years who reported on various symptoms associated with their menstrual cycles. We looked at their dietary intake of vitamin C, measured serum ascorbic acid levels, and assessed genetic factors through DNA testing.

Our findings suggest that higher vitamin C status is linked to increased appetite changes and symptoms like bloating and swelling during the premenstrual phase. While we observed associations between vitamin C levels and these symptoms, it's important to note that our study didn't isolate the effect of vitamin C from other dietary influences. Therefore, while there's a connection between vitamin C and bloating, we cannot conclusively say that vitamin C alone is definitive in relief.

Overall, this research opens the door to understanding how nutrition, particularly vitamin C intake, may shape our experiences with premenstrual symptoms. However, it also highlights the complexity of diet's role in our health.
9.5
No bloating experienced
Most Useful Review
No more bloating for me. It's much more suitable compared to those that are not non-acidic. I experience no bloating and not a hint of gassiness.

Rash details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.9
10
Herpes free
Most Useful Review
I've consistently purchased Vitamin C for several years, initially starting post a severe herpes episode. Despite various treatments, the herpes persisted until the pharmacist recommended this vitamin combined with zinc. Miraculously, it worked, eradicating the herpes for three years now. It has also prevented colds in my children, who have missed no classes for two years. I take it daily to strengthen blood vessels, alongside other supplements. This specific Ester-C variety is my favourite due to its prolonged action and gentle effect on the stomach.

Headache details

SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Moderately Good
Based on 5 Reviews
7.6
We aimed to understand how dietary vitamin C affects migraines by analyzing data from the National Health and Nutrition Examination Survey, conducted from 1999 to 2004. In this survey, we identified adults who reported experiencing severe headaches or migraines over the past three months.

Our findings were quite revealing. Out of 4,101 participants, 702 individuals reported having a migraine, which represents about 17% of the group. We discovered an interesting trend: higher dietary vitamin C intake seemed to correlate with a lower likelihood of experiencing migraines. Specifically, participants with the highest vitamin C intake had a 36% reduced odds of suffering from migraines compared to those with the lowest intake.

We employed various statistical methods to confirm our results, including logistic regression and restricted cubic spline regression, which showed a clear linear relationship between vitamin C intake and the frequency of migraines.

Overall, this study suggests that increasing our dietary vitamin C might help minimize migraines, which is promising news for those who suffer from these intense headaches. However, as with all studies, further research is necessary to solidify these findings and fully understand the relationship between vitamin C and headache relief.
9.5
No headache
Most Useful Review
This is the best vitamin C for me on the market. Unlike drugstore brands, it doesn’t cause me to have a headache. I find it great to use throughout the year.
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