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Vitamin B12

Vitamin B12 is a member of the B complex group. It contains cobalt, and so is also known as cobalamin. It is exclusively synthesised by bacteria and is found primarily in meat, eggs and dairy products. It's primary functions are in the formation of red blood cells and the maintenence of a healthy nervous system.

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Vitamin B12 ( cobalamin )
Important for :	Formation and regeneration of red blood cells, digestion and absorption of foods; carbohydrate and fat metabolism; synthesis of protein; promoting normal growth; increasing energy.
Sources :	Richest sources are; brewer's yeast; clams; dairy products; eggs; herring; kidney; liver; mackerel; milk; and seafood. Herbs (e.g. alfalfa; bladder wrack; hops)
Possible deficiency symptoms :	Fatigue; poor appetite; depression; digestive disorders; nervousness; irritability; anaemia.
Hinders maximum absorption :	Alcohol and smoking decreases absorption of B-12 by the body.
Additional Information :	Deficiency of B-12 can be caused by poor absorption due to digestive disorders. Vegetarians may need to have natural supplements of B-12, as it is found almost exclusively in animal products.