Supplement Facts
Serving Size: 1 Vegetarian Tablet
Amount Per Serving
%DV
Vitamin C (as ascorbic acid)
1000 mg
1111%
Bio-Quercetin® Proprietary Blend[providing 35% quercetin (5 mg) [from Japanese sophora concentrate (flower bud)],30% galactomannans (4 mg) [from fenugreek (seed)]
15 mg
**
The product is found useful for the following medical conditions
Heartburn details
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 12 Reviews
8.8
8
Vitamin C reduces heartburn symptoms
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.
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
No heartburn
Most Useful Review
1 people found this helpful
I take half a tablet in the morning and evening! It's sour but there’s no heartburn!
Updated: Apr 2025
Cold Sores details
SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 6 Reviews
8.7
9
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.
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.
9
Reduces cold sores
Most Useful Review
140 people found this helpful
A fantastic option for vitamin C. I generally purchase various types, particularly those with bioflavonoids. Not all ascorbic acid is effective, but this one with bioquercetin delivers noticeable results. If I'm coming down with a cold, taking a high dose can often prevent illness. My cold sores diminish within a day. The tablets are small and can be easily split.
Updated: Apr 2025
Pelvic Pain details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Pain relief noted
Most Useful Review
After two weeks on this medication, I felt an increase in energy, my movement improved, and the pelvic pain I experienced vanished. I used to rely on painkillers, but now I've decided to stop them. I'll continue to take it in courses, though it's unfortunate it isn’t always available.
Updated: Mar 2025
Rash details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Rash relief noted
Most Useful Review
Fire Quercitin is truly effective for allergy sufferers. I have personally taken it and even began to give it to my dog. The rashes and watery eyes disappeared entirely. I highly recommend it.
Updated: Apr 2025
Pneumonia details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.5
9
Significant improvement
Most Useful Review
I find this combination of Vitamin C and Quercetin excellent value, particularly during these Covid times. After struggling for months with post-nasal drip following pneumonia, I started taking this supplement regularly. Within just two days, I saw a 90 per cent improvement in my symptoms. I never want to be without it again.
Updated: Mar 2025
Adenoiditis details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 8 Reviews
8.4
7.5
Reduced flu occurrences
Most Useful Review
7 people found this helpful
I've tried a few brands of vitamin C before but still caught the flu frequently. Since trying Life Extension brand, I rarely get ill. If I feel a flu or sore throat coming, I take one in the morning and one before bed, and after about five days, the symptoms disappear. I’m currently on my second bottle.
Updated: Apr 2025
Headache details
SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Good
Based on 5 Reviews
8.4
8
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.
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
Reduced headaches
Most Useful Review
5 people found this helpful
Wow, I took this to strengthen my blood vessels and it got rid of my headaches.
Updated: Mar 2026
Bacterial Infection details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 6 Reviews
8.3
9
Significant improvement noted
Most Useful Review
Good value! I appreciate the combination of Vitamin C and Quercetin, particularly in these Covid times. The quality and price are unbeatable. Update: Following a troubling chronic post-nasal drip after a sinus infection (which emerged after pneumonia from potential long Covid), I struggled for months. However, upon regularly taking this supplement, my post-nasal drip improved by 90 percent within just two days. I cannot imagine being without this supplement again.
Updated: Apr 2025
Cardiovascular Disease details
SCIENTIFIC SCORE
Moderately Effective
Based on 4 Researches
8
USERS' SCORE
Good
Based on 2 Reviews
8.3
7
Vitamin C enhances NK cell proliferation
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.
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.
7.5
Improves cardiovascular health
Most Useful Review
I give this supplement to my son to help improve his cardiovascular disease, supporting him during his growth spurts as his blood vessels adjust.
Updated: Mar 2026
Flu details
SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7.2
USERS' SCORE
Good
Based on 36 Reviews
8.3
8
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.
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.
10
Helped avoid illness
Most Useful Review
5 people found this helpful
I purchased Vitamin C for winter, particularly against covid flu. I took half a tablet daily for prevention. After a particularly cold experience outdoors, I consumed a tablet I had in my bag and attribute my not falling ill to it.
Updated: Apr 2025
Gout details
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 3 Reviews
8.3
8
We investigated the potential relationship between dietary vitamin C intake and gout among American adults using data from the National Health and Nutrition Examination Survey conducted between 2013 and 2018. This study included participants over the age of 20 and looked at various factors, including the incidence of gout and levels of vitamin C intake.
Our findings revealed that 5% of the 12,589 participants reported experiencing gout. Interestingly, those consuming higher amounts of dietary vitamin C showed a lower likelihood of developing gout. Specifically, individuals in the highest intake group had an odds ratio of 0.77 for having gout, suggesting an inverse relationship between vitamin C intake and gout occurrence.
We noted that this relationship exhibited an L-shaped pattern, indicating that increased vitamin C consumption may be linked to reduced gout risk, particularly among different sex groups. However, when we examined vitamin C supplements, no significant association with gout was observed. Overall, our research highlights the potential benefits of dietary vitamin C in preventing gout, while underscoring the need for more focused studies in this area.
Our findings revealed that 5% of the 12,589 participants reported experiencing gout. Interestingly, those consuming higher amounts of dietary vitamin C showed a lower likelihood of developing gout. Specifically, individuals in the highest intake group had an odds ratio of 0.77 for having gout, suggesting an inverse relationship between vitamin C intake and gout occurrence.
We noted that this relationship exhibited an L-shaped pattern, indicating that increased vitamin C consumption may be linked to reduced gout risk, particularly among different sex groups. However, when we examined vitamin C supplements, no significant association with gout was observed. Overall, our research highlights the potential benefits of dietary vitamin C in preventing gout, while underscoring the need for more focused studies in this area.
7.5
Improved immunity
Most Useful Review
1 people found this helpful
The vitamin C that I have repurchased numerous times has a stronger antioxidant effect than pure VC, and I find it very effective for gout. Regular use seems to enhance my immunity.
Updated: Apr 2025
High Cholesterol details
SCIENTIFIC SCORE
Moderately Effective
Based on 6 Researches
8
USERS' SCORE
Good
Based on 2 Reviews
8.3
9
Vitamin C reduces cholesterol levels
We explored how vitamin C supplementation affects cholesterol levels in broiler chickens, particularly under heat stress conditions. Through a thorough meta-analysis of 35 studies conducted between 1985 and 2023, we assessed various performance metrics, including blood parameters, carcass characteristics, and overall meat quality.
Our findings revealed that vitamin C significantly reduced cholesterol levels in the broiler chickens subjected to heat stress. Specifically, the study reported a notable decrease in cholesterol concentrations, with a standard mean difference of -0.976, indicating a strong beneficial effect of vitamin C in managing high cholesterol.
Additionally, we noticed improvements in body weight and average daily gain among chickens receiving vitamin C when compared to those that did not. While vitamin C did not significantly impact feed intake or breast meat quality, it emerged as a valuable antioxidant that can help lower blood triglycerides and reduce cholesterol, thus promoting better overall health and growth in broilers during stressful conditions.
Ultimately, this meta-analysis supports the use of vitamin C at a recommended dosage of 250 mg/kg as an effective growth promoter and antioxidant in broiler diets under heat stress, directly influencing cholesterol management.
Our findings revealed that vitamin C significantly reduced cholesterol levels in the broiler chickens subjected to heat stress. Specifically, the study reported a notable decrease in cholesterol concentrations, with a standard mean difference of -0.976, indicating a strong beneficial effect of vitamin C in managing high cholesterol.
Additionally, we noticed improvements in body weight and average daily gain among chickens receiving vitamin C when compared to those that did not. While vitamin C did not significantly impact feed intake or breast meat quality, it emerged as a valuable antioxidant that can help lower blood triglycerides and reduce cholesterol, thus promoting better overall health and growth in broilers during stressful conditions.
Ultimately, this meta-analysis supports the use of vitamin C at a recommended dosage of 250 mg/kg as an effective growth promoter and antioxidant in broiler diets under heat stress, directly influencing cholesterol management.
7.5
Effective for cholesterol
Most Useful Review
17 people found this helpful
This product contains highly absorbable phytosome-processed quercetin and vitamin C, with an absorption rate 50 times greater than regular quercetin. Quercetin is vital for anti-aging but often poorly absorbed. For those seeking its benefits along with vitamin C, this product is ideal. I recommend it especially if there's a discount of 20% or more.
Updated: Mar 2026
Allergies details
SCIENTIFIC SCORE
Moderately Effective
Based on 1 Research
8
USERS' SCORE
Good
Based on 21 Reviews
8.2
8
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.
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.
9
Immunity support
Most Useful Review
50 people found this helpful
A great product of very good quality. The composition is excellent and easily digestible, without causing discomfort. I can finally take vitamin C without my stomach reacting. My family takes it each morning for immunity. Highly recommend, especially in autumn!
Updated: Mar 2026
Chronic Cough details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.2
7.5
Effective treatment
Most Useful Review
1 people found this helpful
My mother suffered from a chronic cough due to chronic bronchitis. After two weeks of various medications and inhalations without improvement, we added quercetin with zinc, selenium, omega 3, and vitamins D3/K2 to her regimen. The results have been encouraging, especially after including milk thistle for liver support.
Updated: Apr 2025
Autoimmune Disorder details
SCIENTIFIC SCORE
Moderately Effective
Based on 11 Researches
8
USERS' SCORE
Good
Based on 9 Reviews
8.1
9
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.
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.
10
Non-allergenic support
Most Useful Review
1 people found this helpful
I ordered this excellent vitamin for my child; it doesn’t cause allergies. Half a pill is effective! It’s helped in combating viruses; since we began taking it, we've stopped falling ill frequently.
Updated: Mar 2026
Adrenal Gland Disorder details
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 4 Reviews
8
9
Restores adrenal function
Most Useful Review
This is a good vitamin C with bioquercetin for enhanced absorption. I take it to replenish my adrenal glands, which are worn out from stress, and support my liver. A large jar lasts a long time. I typically take 1-2 capsules a day and can increase that during illnesses. A reputable manufacturer indeed!
Updated: Apr 2025
Cold details
SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Good
Based on 265 Reviews
8
7
Effectiveness of Vitamin C on Colds
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.
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.
7.5
Prevents cold progress
Most Useful Review
140 people found this helpful
A fantastic choice for vitamin C. I typically purchase various types, but I particularly favour those with bioflavonoids. Not all ascorbic acid is effective, yet this one with bioquercetin clearly shows results. If I feel a cold coming on, taking a loading dose of this vitamin C can halt the onset of illness. My herpes clears up within a day. The tablets are small and easy to split. If you appreciate reviews or enjoy contributing to others, you can earn rewards for new purchases on iHerb, providing extra savings.
Updated: Apr 2025
Blood Clot details
SCIENTIFIC SCORE
Questionable
Based on 6 Researches
6.7
USERS' SCORE
Moderately Good
Based on 3 Reviews
7.8
9
We sought to understand how ascorbic acid, commonly known as vitamin C, impacts blood clotting during living donor liver transplantation (LDLT). In our study, we analyzed blood samples from 21 recipients before and after their surgeries.
We employed a well-structured approach, using rotational thromboelastography (TEG) and western blot analysis to scrutinize fibrinolysis and the functionality of specific proteins involved in clotting. Blood samples were tested in three distinct groups, one receiving vitamin C, to see its effects on clot rigidity and fibrinolysis.
Our findings revealed that ascorbic acid notably reduced fibrinolysis, which refers to the breakdown of blood clots, and improved the rigidity of the clots formed. Additionally, we observed that levels of a protein called Cbl-b were higher in those receiving vitamin C, while another protein, c-Cbl, showed reduced phosphorylation. These functional changes might explain how vitamin C supports better clotting during surgeries.
This study indicates that vitamin C could be a beneficial treatment to consider during LDLT to manage hyperfibrinolysis, thus promoting better outcomes for patients undergoing these complex procedures.
We employed a well-structured approach, using rotational thromboelastography (TEG) and western blot analysis to scrutinize fibrinolysis and the functionality of specific proteins involved in clotting. Blood samples were tested in three distinct groups, one receiving vitamin C, to see its effects on clot rigidity and fibrinolysis.
Our findings revealed that ascorbic acid notably reduced fibrinolysis, which refers to the breakdown of blood clots, and improved the rigidity of the clots formed. Additionally, we observed that levels of a protein called Cbl-b were higher in those receiving vitamin C, while another protein, c-Cbl, showed reduced phosphorylation. These functional changes might explain how vitamin C supports better clotting during surgeries.
This study indicates that vitamin C could be a beneficial treatment to consider during LDLT to manage hyperfibrinolysis, thus promoting better outcomes for patients undergoing these complex procedures.
9
Minimises bruising
Most Useful Review
1 people found this helpful
It helps prevent bruising when combined with blood clot supplements, which I appreciate.
Updated: Mar 2026
Leg Cramps details
SCIENTIFIC SCORE
Questionable
Based on 1 Research
5
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.5
5
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.
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
Eliminated bruises
Most Useful Review
I've finally waved goodbye to the bruises on my legs. This vitamin C really works. I took it twice daily with meals for a month, and the bruises ceased to appear. The formula contains quercetin, which is excellent for veins, although the dosage is low. I plan to take a break and next time perhaps combine it with routine or quercetin. I hope my review proves helpful. Stay healthy!
Updated: Apr 2025
Data last updated:
