Natural C 1,000 mg tablets from Douglas
Laboratories contain 1000 mg vitamin C with rose
hips and an additional amount of bioflavonoid
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
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.
Bioflavonoids (also called flavonoids) are a class of phytochemicals that are potent antioxidants, which
scavenge many potentially damaging free radicals.
Another aspect of the antioxidant properties of
bioflavonoids is their synergy with vitamin C, as well
as their ability to bind to metal ions, preventing these
metals from catalyzing enhanced free radical
Many bioflavonoids support the health of the body’s
circulatory system by helping maintain capillary
blood flow and proper vascular permeability,
integrity, and resiliency.
Natural C 1,000 mg tablets may be a useful dietary
supplement for those who wish to increase their daily
intake of this important antioxidant vitamin together
with a bioflavonoid complex.
Adults take 1 tablet daily or as directed by physician.
Store in a cool, dry place, away from direct light.
Keep out of reach of children.