vitamin b12 benefits

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Vitamin B12 Benefits

A Closer Look at Supplements

Published February 25, 2005 post commentPost Comment View Comments
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What Is Vitamin B12?
Vitamin B12, also known as cobalamin, is one of the essential
nutrients that our body’s need daily and proper intake is vital to our
ability to maintain good health. Vitamin B12 is required by the body
to maintain healthy nerve cells and red blood cells, and is also
needed to make DNA, the genetic material in all cells. B12 is one of
eight water soluble B vitamins all of which help the body convert
carbohydrates into glucose (sugar) which is a primary energy source
for the body. Vitamin B12 also works closely with vitamin B9 to
regulate the formation of red blood cells and to help iron function
better in the body.

How Does Vitamin B12 Work?
The last of the B-vitamins to be discovered, vitamin B12 was very
quickly launched into the world of essential nutrition in the late
1940’s when it was discovered to cure condition known as pernicious
anemia – a potentially deadly disease that is prevalent mostly in the
elderly.

The most important medical use of vitamin B12 is to treat the symptoms
of pernicious anemia (the stomach lacks a substance known as intrinsic
factor that facilitates the absorption of vitamin B12 from food).
These symptoms include weakness, pale skin, diarrhea, weight loss,
fever, numbness or tingling sensation in the hands and feet, loss of
balance, confusion, memory loss, and moodiness.

Many studies indicate that patients with elevated levels of the amino
acid homocysteine are roughly 1.7 times more likely to develop
coronary artery disease and 2.5 times more likely to suffer from a
stroke than those with normal levels. Homocysteine levels are strongly
influenced by B complex vitamins, particularly vitamins B9, B6, and
B12.

Dietary and supplemental vitamin B complex is important for normal
vision and prevention of cataracts. In fact, people with plenty of
protein and vitamins A, B1, B2, and B3 (niacin) in their diet are less
likely to develop cataracts. Taking supplements of vitamins C, E, and
B complex may protect the lens of your eyes from developing cataracts.

How Can I Make The Most Out Of Vitamin B12?
The RDA for vitamin B12 is 2.4 mcg per day for adults, although many
experts recommend that adults achieve intake levels between 100-400
mcg daily. Vitamin B12 is naturally bound to the proteins found in
animal foods including fish, milk and milk products, eggs, meat, and
poultry. Nutritional supplements and fortified breakfast cereals are
also an excellent source of vitamin B12 and a particularly valuable
source for vegetarians.

Because the body is able to readily store vitamin B12, deficiency is
rare, although possible. Deficiency can result from the body’s
inability to absorb vitamin B12 from the intestinal tract, which may
be caused by a blood disorder known as pernicious anemia.
Additionally, strict vegetarians or vegans (those who do not eat eggs
or dairy products) who are not taking in proper amounts of vitamin B12
by way of supplements are also prone to a deficiency state. The
elderly may also require supplementation as the aging body loses the
ability to absorb vitamin B12 from the diet.

What's Your Supplement IQ?
You know that taking calcium supplements can help build strong bones
when you don't eat enough dairy foods, but do you really know all that
you should about supplements? Beyond the world of basic nutrition,
there's an entirely different solar system of weird, wacky and
wonderful facts about vitamins, minerals and herbs. Here's your chance
to find out how much you know: Test your IQ with this supplement quiz.
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