This Natrol Vitamin B12 5000 mcg fast-dissolve tablet helps support energy metabolism and a healthy nervous system.(1) These B 12 vitamins for women and men deliver 5000 mcg per serving and assist cellular energy needs.(1) Vitamin B12 is essential for healthy red blood cell formation, and B vitamins also support a healthy nervous system.(1) The convenient form dissolves on tongue, so a health enthusiast or athlete can take it anytime, anywhere, no water needed, whether at home or during fitness activities. Used with a daily multivitamin, the tablet fits easily into a dietary supplements routine. This product does not contain milk, egg, fish, crustacean shellfish, tree nuts, peanuts, soybeans or sesame, but it does include wheat. Suggested Use: Adults, take one tablet daily. Natrol remains dedicated to creating innovative, quality products to help you maintain good health and thrive in a 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 12/27/25, Sleep Aid Supplements