Get your antioxidants the natural way - through your diet
You may have about the importance of antioxidants in the diet,
and their possible role in fighting a variety of illnesses,
including some kinds of cancer, age related degeneration and
heart disease.
You could also be forgiven for thinking that antioxidant
vitamins are things that come in pills, powders and capsules.
The marketing of antioxidant vitamin supplements, such as
vitamin A, vitamin C and vitamin E, is intense and relentless.
While vitamin supplements can be helpful, however, the majority
of antioxidant vitamins should come from food, not from vitamin
supplements.
It is important to understand how antioxidant vitamins work to
protect the body from harm. Antioxidants work by combining with
and neutralizing harmful elements known collectively as free
radicals. Free radicals are produced naturally by the body, as a
consequence of a number of natural bodily processes. Most of the
time, the body is able to neutralize and eliminate these free
radicals on its own.
However, stresses such as environmental pollution, a weakened
immune system, UV radiation and alcohol consumption can lower
the body's ability to fight these free radicals.
Excessive free radicals in the human body can cause damage to
the structure and function of the various organs and systems in
the body. Recent studies have implicated free radicals in a
number of diseases, including cancer and heart disease. In
addition, free radicals are thought to play a significant role
in the aging process.
It is estimated that foods contain some 4,000 different
compounds that have antioxidant qualities. Since only a small
number of these compounds have been identified, and a lesser
amount yet have been synthesized, it is easy to see why it is so
hard for vitamin supplements to replace a healthy diet. Healthy,
antioxidant containing foods like fruits, vegetables and whole
grains, contain a variety of vitamins, minerals, trace elements
and other micronutrients in addition to the antioxidants that
have been identified by science.
There are many major vitamins that have been found to have
strong antioxidant qualities. Perhaps the most well known, and
the most studied, of these antioxidant vitamins is vitamin C.
Vitamin C, also known as ascorbic acid, is water soluble and is
found in all the tissues and fluids of the body. Since vitamin C
is not stored in the body, it is important that everyone's diet
contain plenty of vitamin C.
Good sources of vitamin C in the diet include citrus fruits like
oranges and grapefruits, green peppers, broccoli, strawberries,
cabbage and potatoes. Dark green leafy vegetables are also good
sources of vitamin C.
Vitamin E is another popular member of the antioxidant family,
and it is thought to play an important role in protecting the
body from aging. Vitamin E may not be the cure all wonder that
it was once thought to be, but it is still an important
protector of the body.
Good sources of dietary vitamin E include nuts, seeds, wheat
germ, whole grain breads, vegetable oil, fish oil and dark green
leafy vegetables.
Beta carotene is also an important antioxidant vitamin, and it
is important to a number of bodily processes. The role of beta
carotene in the natural world is to protect the skins of yellow
and orange vegetables and fruits from the damaging rays of the
sun. It is believed that beta carotene plays the same sort of
role in human nutrition. That is, beta carotene is thought to be
important in protecting people from the damage caused by
environmental pollution, UV rays, etc.
Beta carotene rich foods include yellow and orange vegetables
and fruits such as carrots, yellow squash, sweet potatoes,
cantaloupes, peaches and apricots. In addition, dark green leafy
vegetables such as collard greens and broccoli, and fruits like
tomatoes, also contain significant levels of beta carotene.
Selenium is an important mineral thought to share many traits
with antioxidants. Selenium in particular has been studied for
its ability to prevent and reverse cell damage. Scientists
continue to focus on this cell protecting ability as a possible
cancer fighter.
Selenium is one good example of why it is important to get the
nutrients you need from food, not from vitamin supplements. High
levels of selenium can be toxic, so supplementation is not
recommended. Foods high in selenium, such as fish, shellfish,
red meat, poultry, eggs, garlic and whole grains, however, are
recommended. In addition to these sources of selenium, fruits
and vegetables that are grown in selenium rich soils are also
good sources of this important mineral.
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