Vitamin B12 is good for you. But many people don t get sufficient B12 from their diets alone. Reasons range from age-related insufficiency to dietary intake: B12 comes primarily from animal sources, so those following a vegetarian diet may not get enough.
Vitamin B12 is good for you. But many people don t get sufficient B12 from their diets alone. Reasons range from age-related insufficiency to dietary intake: B12 comes primarily from animal sources, so those following a vegetarian diet may not get enough.