Superior form of vitamin B12. What is vitamin B-12 (methylcobalamin)? Vitamin B-12 (cobalamin) is a water-soluble B vitamin that's vital for carbohydrate metabolism and energy production.* It also plays an important role in the formation of healthy red blood cells.* Methylcobalamin is an active coenzyme of the vitamin B12 analogs, which are essential for cell growth and replication.* Methylcobalamin is required for the formation of methionine from homocysteine.* How does vitamin B-12 (methylcobalamin) support health? Helps reduce homocysteine levels, which is important for heart health.* Supports the health of the central nervous system.* Improves daytime alertness and concentration.* Promotes optimal sleep.* Why choose Vitacost Vitamin B-12 Methylcobalamin? Features high-potency vitamin B12. Supplies 500 mcg of vitamin B-12 per single-capsule serving. Contains 300 servings per bottle. About Vitacost Vitacost nutritional products are manufactured to high standards of quality, efficacy and safety. Each Vitacost product meets or exceeds the standards and requirements set forth in the FDA's Code of Federal Regulation (21 CFR, 111) Current Good Manufacturing Practices (CGMP). *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.