Supplement Facts
Serving Size: 1 Tablet
Amount Per Serving
%DV
Vitamin C (as Ascorbic Acid)
1,000 mg
1,111%

The product is found useful for the following medical conditions

Cold details

SCIENTIFIC SCORE
Moderately Effective
Based on 2 Researches
8
USERS' SCORE
Good
Based on 132 Reviews
8.9
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
Quick relief for cold
Most Useful Review
A fantastic vitamin C for adults! At the first signs of a cold, I take a tablet, and by morning, there's no sign of it. I also take it with collagen for better absorption, but I don’t take it for prevention as it does not accumulate in the body.

Flu details

SCIENTIFIC SCORE
Possibly Effective
Based on 5 Researches
7.2
USERS' SCORE
Good
Based on 15 Reviews
8.7
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
Optimal potency
Most Useful Review
This vitamin C supplement is very effective. I have a sensitive stomach but these pills don't cause issues. The 1000 mg dosage is preferable for fighting flu and other viruses. The pills are also easy to swallow.

Rash details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.7
10
Rash disappeared
Most Useful Review
Excellent! Vitamin C helps the rash to vanish. I previously experienced a persistent itchy skin rash. After taking vitamin C, the skin symptoms disappeared, and now it's been one year without issues.

Bone Pain details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9.5
Reduced pain
Most Useful Review
Since I began taking C-1000, I've been feeling much better with less pain. I would highly recommend it.

Cardiovascular Disease details

SCIENTIFIC SCORE
Moderately Effective
Based on 4 Researches
8
USERS' SCORE
Good
Based on 3 Reviews
8.6
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
Essential vitamin
Most Useful Review
This water-soluble vitamin is undoubtedly crucial for health. As Dr. Robert Atkins stated, "Vitamin C is vital to our health that I can't think of any disease where it wouldn't lead to improvements." In instances of cardiovascular disease, it is valuable. Vitamin C is involved in multiple bodily processes and has a high concentration in various organs. It's essential for the immune system, skin health, and iron absorption, offering antioxidant protection from free radicals.

Chronic Cough details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
9
Prevents cough
Most Useful Review
Thumbs up for this Vitamin C. I love it as the dosage is just one tablet a day. It suits me well since it isn't acidic for my stomach. It helps keep flu and cough at bay.

Cold Sores details

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 19 Reviews
8.6
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.
9.5
Prevention of colds
Most Useful Review
A fantastic vitamin C for adults! At the first signs of a cold, taking one pill ensures I feel fine by morning. I also take it with collagen for better absorption. I don’t use it for prevention as it doesn't accumulate in the body.

Common Cold details

SCIENTIFIC SCORE
Possibly Effective
Based on 7 Researches
7.4
USERS' SCORE
Good
Based on 25 Reviews
8.6
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
Symptoms vanish quickly
Most Useful Review
This vitamin C is fantastic for adults! At the first signs of a common cold, I take one pill and feel completely fine by morning. I also take it with collagen for better absorption. I don't take it regularly for prevention, as it doesn’t accumulate in the body.

Autoimmune Disorder details

SCIENTIFIC SCORE
Moderately Effective
Based on 11 Researches
8
USERS' SCORE
Good
Based on 3 Reviews
8.5
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
Remarkable results noted
Most Useful Review
I recommend these vitamins to everyone! Previously, I would frequently fall ill during the winter. However, thanks to these vitamins, I haven't been sick this year! As soon as I felt under the weather, I took a tablet for a few days. I've recommended these to all my friends and will definitely order more, but those with stomach issues should be cautious.

Heart Disease details

SCIENTIFIC SCORE
Possibly Effective
Based on 8 Researches
7.8
USERS' SCORE
Good
Based on 5 Reviews
8.4
We aimed to understand the role of vitamin C in heart disease and its potential cardioprotective effects. Vitamin C is renowned for its antioxidant properties, which means it fights off harmful substances in our body, potentially reducing the risk of heart issues.

Our analysis revealed that vitamin C could play a meaningful role in supporting cardiovascular health. While the evidence is promising, it is important to be cautious, as clinical studies have shown mixed results regarding its effectiveness.

So, while vitamin C might contribute positively to heart health, more solid evidence is required to fully confirm these effects. Overall, we learned that while there are positive indicators, we should be careful about over-relying on vitamin C as a sole preventive measure for heart disease.
8.8
Colds remedy
Most Useful Review
I ordered these for a friend who uses them during cold season for prevention and at the first signs of illness. They are essential and help quickly combat colds and alleviate their severity.

Swollen Lymph Nodes details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.4
7.5
Reduces swelling
Most Useful Review
When I consume something strong or salty, I take 2 tablets before bed, and typically 1 tablet. It is helpful as I do not experience swelling by the next morning.

Acne details

SCIENTIFIC SCORE
Possibly Effective
Based on 16 Researches
7.6
USERS' SCORE
Moderately Good
Based on 8 Reviews
7.9
In our recent study, we set out to explore the effectiveness of a 5% sodium L-ascorbyl-2-phosphate lotion, a stable form of vitamin C, for treating acne. We conducted a double-blind, controlled trial with 50 participants over 12 weeks, where half used the vitamin C lotion and the other half received a placebo.

Our findings revealed significant improvements in acne symptoms for those using the vitamin C lotion compared to the placebo group. We measured outcomes through various assessments, including a global evaluation by investigators and self-reported assessments by the subjects, along with lesion counts.

The results showed that the vitamin C lotion was not only effective but also well-tolerated, with side effects similar to those seen with the placebo. This adds a promising tool to the options available for acne treatment, suggesting that vitamin C might play a valuable role in skincare regimens aimed at combating acne.

Overall, our study supports the idea that vitamin C, in the form of sodium L-ascorbyl-2-phosphate, can help reduce acne, making it a noteworthy addition to acne treatment strategies.
9.5
Acne improved significantly
Most Useful Review
At first, I took one tablet daily but felt no effect. Since it's water-soluble vitamin C, I tried taking three times a day, and my acne vanished, leaving my skin beautiful. Given the current hype around high vitamin C intake, I think it's worth trying again at this price.
image