Essential for a healthy nervous system Vital for red blood cell formation Promotes maintenance growth of tissue Dietary Supplement Energy metabolism Supports heart & nervous system health Along with other B vitamins vitamin B12 is important for converting the food you eat into cellular energy. Vitamin B12 is also important for proper red blood cell formation and normal function of the nervous system. Vitamin B12 supplements may be important for vegetarians and vegans who avoid dietary sources rich in vitamin B12. Contains a 130-day supply of Rugby Laboratories Vitamin B12 500 mcg Tablets 130 tablets per bottle. Vitamin B12 supports healthy blood cells and nervous system health. It is also involved in energy metabolism by converting food into energy. 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. No yeast wheat gluten milk or milk derivatives lactose preservatives soy artificial color artificial flavor salt. Vegetarian formula.