Vitamin B12 - Cyanocobalamin

vitamin B12 - Cyanocobalamin plays a vital role in the production of red blood cells.

It also helps to stimulate appetite and to release energy. It can also help stimulate the thought process and, like the other B vitamins, plays a vital role in the metabolism of protein, fat and carbohydrate.

Food Rich In Vitamin B12

Food sources rich in vitamin B12 include liver, shellfish, eggs cheese and meat. This vitamin can be produced in the body.

Dosage

Minimum USRDA for B12 is 3 mdg per day for men and also for women. Keep in mind that this is the bare minimum you need to survive and supplements usually contain more than this amount.

Vitamin B12 Toxicity

Toxicity of vitamin B12 is rare - since it is a water soluble vitamin any excess is excreted by the body. Sometimes older people are given injections of vitamin B12 to help with energy and metal process and there may be a skin irritation at the site of the injection. This is minor and should go away in a couple of days.

Symptoms Of Vitamin B12 Deficiency

Like the other B vitamins, symptoms of a B12 deficiency can include fatigue, weak muscles, sore tongue, back pain and tingling in the fingers. Of course these can be symptoms of many disorders so please see your physician if you experience them.

Other Considerations

Take vitamin B12 with Vitamin C, other B vitamins, iron, calcium and potassium. People who drink too much alcohol, regularly take laxatives or antacids, are vegetarians or over the age of 60 may need Vitamin B12 supplementation.

Some think B12 can help with infections and allergies and a deficiency may have a role in the cause of alzheimers.

See Also:

Vitamin B1 - Thiamine - Good for metabolism and the nervous system.

Vitamin B2 - Also called Vitamin G, Riboflavin - Good for skin , hair and nails.

Vitamin B3 - Also called Vitamin P, Niacin - Healthy skin, circulation and nerves.

Vitamin B5 - Pantothenic Acid - Helps fight allergies and reduce wrinkles.

Vitamin B6 - Pyridoxine and Pyridoxamine - Helps balance hormonal changes.

Vitamin B9 - Also called Vitamin M, Folic Acid - Crucial for cell production and a developing fetus.

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