What do cell replication energy metabolism and DNA production all have in common? Each one of these vital functions relies on adequate levels of B-12 to occur. NOW B-12 is an ideal way to supply the body with a perfect dose of this crucial nutrient. As an integral part in the lives of active and health conscious individuals B-12 has gradually become recognized for its coenzymatic properties and important assistance for the production of healthy red blood cells. Not manufactured with wheat gluten milk egg fish shellfish or tree nut ingredients.