Vitamin B12 supports nerve health, red blood cell and DNA production, and typical brain function, and most adults need about 2.4 micrograms daily. The richest sources of vitamin B12 are animal ...
Methylcobalamin is a natural form of vitamin B12 found in foods like meat and eggs. Cyanocobalamin is a synthetic form of B12 often used in supplements because it's cheaper. Both forms of B12 help ...