Antioxidants free radicals scavengers

Antioxidants stop the free radical damage by making the
outer ring of the molecule, free radicals, stable by adding
or removing electrons. Sources of antioxidants are:
Human body enzyme system
Nutrients

Within the body, if the antioxidants are abundant enough
they can neutralize free radicals oxidative damage. The
antioxidant enzyme system comprised of:
glutathione peroxidase, catalase, superoxide dismutase
Major antioxidant nutrients are:
Beta carotene, vitamin C, flavanoids, Green tea, selenium,
glutatione, cysteine

Antioxidant enzyme system combine in a synergistic
manner and deficiency of one cause another to be less
effective. This basically means most antioxidants are
specialized in function. For example vitamin E primary
function is to break lipid peroxide chains.
However, there are a few antioxidants that have the ability
to neutralize free radicals via different mechanisms not-
only in cell membrane but in interior of cells also.
Melatonin and alpha lipoic acid are examples of such
universal antioxidants. Alpha lipoic acid is a broad-
spectrum antioxidant capable of neutralizing free radicals
in both water and oil environments.

Antioxidant micronutrients must be supplied in the diet.
Fruits, vegetables and whole grains are better sources of
antioxidants than pill forms, but, in general, supplementation
is beneficial. A balanced diet including several servings per
day of fruits and vegetables is recommended.

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