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Vitamin C, or L-ascorbic acid, is a water-soluble essential vitamin. It is a
very popular dietary supplement due to its antioxidant properties and safety.
Vitamin C is often supplemented to reduce the symptoms of the common cold.
However, vitamin C is unable to reduce the frequency of colds in a healthy
population. An athlete supplementing vitamin C, on the other hand, can expect
to cut the risk of getting a cold in half. Supplemental vitamin C is able to
reduce the duration of a cold by 8-14% in any population, when it is
taken as a daily preventative measure, or at the beginning of a cold. Though
super loading vitamin C (5-10g daily) is said to be more effective, further
research is needed to determine the accuracy of this claim.
Vitamin C is capable of being both an antioxidant and pro-oxidant, depending
on what the body needs. This mechanism allows it to serve a variety of
functions in the body.
Vitamin C sequesters free radicals in the body. It is replenished by
antioxidant enzymes, and is often used as a reference drug in antioxidant
research. Vitamin C’s structure allows it to act on neurology and depression,
as well as interact with the pancreas and modulate cortisol. Its antioxidant
properties mean vitamin C provides neuro protective effects and benefits for
blood flow. By protecting the testes from oxidative stress, vitamin C can also
preserve testosterone levels.
The Recommended Daily Intake (RDI) of vitamin C is 100-200mg. This is easily
attained through the diet, so supplementation of such low doses is usually
unnecessary. Higher doses of vitamin C, up to 2,000mg, are used to support the
immune system (for athletes) or reduce the duration of the common cold.
Most studies on vitamin C prescribe one dose per day. The claim that taking
2,000mg up to five times a day to optimally reduce cold symptoms is not
sufficiently tested and requires more evidence.
We stock 2 products on Holistics Online Mercola Vitamin C and Flavo Plex C
For the next 2 weeks we are offering 20% discount on both products.