Now Vitamins - Brain B-12 5000Mcg 60 Lozenges

Vitamin B-12 is an essential nutrient that cannot by synthesized by animals or plants, only by micro-organisms. Most of B-12's benefits are related to it's co-enzyme activity, such as enzymes needed for the production of DNA during cell division. It is also necessary for the methylation of homocysteine, a harmful by-product of protein metabolism.