Vitamin B12 is a water-soluble substance which can be adequately intaken only in food of animal origin such as meat, fish, liver, egg and milk.
Vitamin B12 is essential for the mental and physical well-being. It is needed for contributing normal energy-yielding metabolism and therefore it contributes to the reduction of tiredness and fatique. Vitamin B12 together with folate contribute to the normal blood formation. Vitamin B12 promotes also the normal functioning of the nervous system and normal psychological functions being important for the memory.
The need of vitamin B12 is increased in a strict vegan diet and when using some medicines. People suffering from atrophic gastritis may develop vitamin B12 deficiency due to malabsorption of the vitamin.
B12 is also well absorbed on the mucous membranes of mouth if a supplement contains a high amount of vitamin. Therefore, Vita B12 chewing tablet is recommended to be sucked slowly in order to ensure the maximal absorption of the vitamin in the mouth.
Food supplement is not a substitution for a varied and balanced diet and healthy lifestyle.