Vitamin B12, also known as cobalamin, is one of the group B vitamins, which are water-soluble, and it contains rare element cobalt. We need it to the properly functioning of the nervous system of our body. Vitamin B12 is also important in producing and developing red blood cells in the bone marrow.
The main source of vitamin B12 are animal products. Vitamin B12 is produced by bacteria in animals’ alimentary canal. The products, which contain the most of vitamin B12, are meat, milk, eggs, and fish. We can find it also in champignons. Its source is a big problem for vegans (who don’t eat any animal products) and vegetarians who don’t eat only meat. They often must take supplements with vitamin B12 to be healthy despite adding it to soy products or cereal.
The most vulnerable to vitamin B12 deficiency group are vegans, vegetarians and people with alimentary canal sickness or with alcoholism.
Vitamin B12 deficiency can effect with anemia, chronic fatigue syndrome, memory failures and even depression.
The scientists talks about only a few cases of allergic reactions to vitamin B12. The very high overdosing can causes nosebleeds. But the vitamin deficiency is more common than overdosing, so don’t worry.