Natrol Fast Dissolve Vitamin B12 5000 mcg helps support energy metabolism and a healthy nervous system.(1) These Vitamin B12 energy supplements deliver high-potency support and support cellular energy.(1) Vitamin B12 is essential for healthy red blood cell formation: B vitamins also support a healthy nervous system.(1) These fast dissolve supplements can be taken anytime, anywhere, no water needed. This dietary supplement contains no milk, egg, fish, crustacean shellfish, tree nuts, peanuts, soybeans or sesame, contains wheat. Use this dietary supplement for energy metabolism support.(1) Suggested Use: Adults, take one tablet daily. No water is necessary. Natrol is dedicated to creating innovative, quality products, to help you maintain good health and thrive in your busy, modern lifestyle. (1)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. (2)Nielsen, xAOC, 52 weeks ending 04/26/25, Sleep Aid Supplements.