* Promotes Energy * Supports a Healthy Nervous System * Artificial Flavor * Dietary Supplement * 100% Vegetarian Natrol Vitamin B-12 5000mcg Fast Dissolve delivers high-potency energy support in a delicious, mixed berry tablet. This fast-dissolve formula delivers unique, rapid dissolve technology that helps promote fast absorption. Vitamin B-12 is also essential for healthy blood cells and contributes to the health of the nervous system.