Vita C
Price: $45.00

DESCRIPTION
Vitamin C (L-ascorbic acid), specially buffered with calcium.

FUNCTIONS
Vitamin C (ascorbic acid) has numerous biological functions. Foremost, it is essential for the synthesis of
collagen and glycosaminoglycans which are the building materials of all connective tissues, such as
skin, blood vessels, tendons, joint cartilage and bone. Vitamin C is the required coenzyme for two groups
of enzymes that catalyze the crosslinking of collagen fibers - lysyl hydroxylases and prolyl hydroxylases.
As such, vitamin C is essential for normal wound healing and capillary health. It also participates in the
biosynthesis of carnitine, serotonin, and certain neurotransmitters, including norepinephrine.
Vitamin C is among the most powerful antioxidants in humans and animals. It is a water-soluble, chainbreaking antioxidant that reacts directly with superoxide, hydroxyl radicals, and singlet oxygen.
Laboratory studies show that vitamin C completely protects lipids in plasma and low-density lipoprotein
(LDL) against atherogenic peroxidative damage. In addition, vitamin C interacts with glutathione and
alpha-lipoic acid, and regenerates vitamin E. The antioxidant functions of vitamin C appear to have
clinical significance in providing protection from free radical damage to the eyes, lungs, blood and the
immune system.
Vitamin C is absorbed in the small intestine by a sodium-dependent transport process that is intake
dependent. At normal dietary intakes of 60 to 100 mg, up to 80 or 90% of the vitamin C is absorbed. At
higher intakes, absorption becomes less efficient.
Absorption efficiency and vitamin C utilization may be greatly enhanced during conditions of physiological stress, such as trauma or infection.

INDICATIONS
Vitamin C may be a useful dietary supplement for individuals wishing to increase their intake of the
antioxidant action of vitamin C.

DOSAGE
Each Tablet Contains:
Vitamin C .................................................1,000 mg

SUGGESTED USE
Adults take 1 tablet daily with meals or as directed by physician.

SIDE EFFECTS
No adverse side effects reported.

STORAGE
Store in a cool, dry place, away from direct light. Keep out of reach of children.

REFERENCES
Ferroli CE, Trumbo PR. Bioavailability of vitamin B-6 in young and
older men. Am J Clin Nutr 1994;60:68-71.
Fuhr JE, Farrow A, Nelson HS Jr. Vitamin B6 levels in patients with
carpal tunnel syndrome. Arch Surg 1989;124:1329-1330.
Hughes DA. Effects of dietary antioxidants on the immune function
of middle-aged adults. Proc Nutr Soc 1999;58:79-84.
Paolisso G, Tagliamonte MR, Rizzo MR, et al. Oxidative stress and
advancing age: results in healthy centenarians. J Am Geriatr Soc
1998;46:833-8.
Park E, Wagenbichler P, Elmadfa I. Effects of multivitamin/mineral
supplementation, at nutritional doses, on plasma antioxidant status and
DNA damage estimated by sister chromatid exchanges in lymphocytes
in pregnant women. Int J Vitam Nutr Res 1999;69:396-402.
Ushakova T, Melkonyan H, Nikonova L, et al. Modification of gene
expression by dietary antioxidants in radiation- induced apoptosis of
mice splenocytes. Free Radic Biol Med 1999;26:887-91.
Victor VV, Guayerbas N, Puerto M, et al. Ascorbic acid modulates
in vitro the function of macrophages from mice with endotoxic
shock. Immunopharmacology 2000;46:89-101.



 
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Supplements purchased at retail price can be returned within 30 days from the date of purchase. The shipping and handling fee is NOT refundable. The supplements purchased at a whole sale price are not refundable.
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