Facts about Vitamin C

Also known as ascorbic acid, vitamin C is alevel.
water-soluble vitamin. Contrary to many otherScurvy is one of the best known effects of the C
animals, humans are unable to make their own in theirvitamin's deficiency. Symptoms of scurvy include
bodies. Since this is the case we must have it in ourincreased occurrence of bruising or bleeding, tooth
diets.and hair loss, and pains or swellings in the joints.
Vitamin C is needed in our diets to allow collagenFatigue is common with the onset of scurvy, possibly
synthesis. Collagen is an important blood vessel,resulting from reduced carnitine and norepinephrine.
ligament, tendon and bone structural component. TheThe simple effect of consuming lime or lemon juice is
neurotransmitter 'norepinephrine' is able to bea fast and effective relief method.
synthesized in the presence of this vitamin.Higher daily levels than the RDA states are deemed
Neurotransmitters are vital for proper brainto be needed to stave off long-term C vitamin
functioning and are known to also affect mood.deficiency-associated chronic diseases.
Vitamin C consumption also makes carnitine (essentialCardiovascular diseases of coronary heart disease
for transporting fat to mitochondria in the body'sand strokes may develop over time if not enough
cells) synthesis possible. Once in the mitochondria fatvitamin C is consumed. A whole host of cancers have
is converted to energy as required. Current researchbeen reported as less likely if sufficient quantities of
into this vitamin suggests it may aid cholesterol'sthis vitamin, in the form of fresh fruit and vegetables,
metabolism to bile acids, important for controllingare consumed. Similarly, cataracts, a common form of
levels of blood cholesterol and the likelihood ofvisual impairment throughout the world, are less likely
gallstone formation in the kidneys.with sufficient vitamin C intake. Although not yet fully
Highly effective as an antioxidant, this vitamin, evenunderstood, lowered intestinal absorption or
when consumed in tiny quantities, can shieldheightened excretion of lead in our urine may be
important molecules like proteins, lipids, carbohydratespromoted by this vitamin. The vitamin is well known
and nucleic acids (which make up DNA and RNA)to aid the prevention of pathogens, like the common
from the damaging effects of free radicals andcold, taking a hold.
reactive oxygen species which tend to occur in theSuperb sources of ascorbic acid are citrus fruits like
presence of toxins, pollution or just as a byproductgrapefruits, oranges and lemons. Strawberries,
of regular metabolism. There is the possibility thattomatos, broccoli, potatoes and sweet red peppers.
vitamin C has the capacity for other antioxidantMany foods exist today that with chemical vitamin C
regeneration.preservers in place to keep this highly labile vitamin
When not consumed in healthy quantities thisfrom being quickly degraded.
particular vitamin's deficiency leads to various healthIn the very rare instance of C vitamin overdose
issues.(greater than 10mg/ day/ adult) potential (as yet
The U.S. recommended daily allowance (RDA) forlargely scientifically unproven) toxic effects are birth
vitamin C is 60mg, for both men and women.defects, cancer, kidney stones, atherosclerosis,
Smokers are advised to increase their intake byrebound scurvy, excess iron absorption and oxidative
35mg/ day due to smoke increasing the oxidation ofstress, genetic mutation, vitamin B-12 deficiency and
vitamin C therefore lowering the blood vitamin Cdental enamel erosion.