Pleasant Tasting!! 5,000 mcg of B-12 per Teaspoon Cellular Energy Boost 3 Forms of B-12 for Maximum Utilization Complete Liquid B-Complex High in Folic Acid 800 mcg Kosher A Dietary Supplement Vegetarian/Vegan Vitamins Family Owned Since 1968 GMP - Quality Assured Vitamin B-12 has the largest and most complex chemical structure of all the vitamins. It is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, as well as in the metabolic utilization of fats and proteins and the cellular production of energy. Vitamin B-12 is also essential for proper red blood cell production, homocysteine metabolism, and the maintenance of a healthy gastrointestinal tract. NOW Vitamin B-12 is appropriate for vegetarian/vegans (non-animal derived), who are at higher risk of developing Vitamin B-12 deficiency.