B-12 is free of caffeine and other stimulants - each tablet provides you with high potency Vitamin B-12 to support your energy metabolism.* B-12 is also an essential nutrient for nervous system health, and helps keep your mouth and gums healthy.* It is an innovative way to support energy by converting food into energy.* Each bi-layer tablet features ISR technology, a scientifically engineered delivery mechanism that offers the benefits of both immediate and sustained release (ISR). Each tablet has two distinct layers - one to deliver effective, quick release, and one designed to release B-12 in your body over the course of several hours. No artificial flavor or sweetener, preservatives, sugar, starch, milk, lactose, soy, gluten, wheat, yeast, or fish. Sodium free. Suitable for vegetarians. *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. B-12 is free of caffeine and other stimulants - each tablet provides you with high potency Vitamin B-12 to support your energy metabolism.* B-12 is also an essential nutrient for nervous system health, and helps keep your mouth and gums healthy.* It is an innovative way to support energy by converting food into energy.* Each bi-layer tablet features ISR technology, a scientifically engineered delivery mechanism that offers the benefits of both immediate and sustained release (ISR).