Fundamentally it participates in the rapid regeneration of the bone marrow and erythrocytes. It is necessary in the synthesis of DNA. and for the normal metabolism of nervous tissue. Vitamin B12. iron and folic acid. They are vital for the formation of healthy blood cells. Vitamin B-12 is also necessary for the production of the myelin sheath as well as for a healthy cardiovascular system. Vitamin B12 is found mainly in foods of animal origin. like meat; because of that. health professionals frequently recommend it to vegetarians and vegans. Precautions: This product is not recommended for pregnant or lactating women. How to use: Take 1 tablet a day. The use of this high potency product requires the supervision of a specialist.