Vitamin B12 Quick Absorbing sublingual tablets are popular because they may be helpful for boosting energy. Our fast absorbing B12 aids in the metabolism of carbohydrates, fats and proteins, which may help to support the conversion of food to energy. In addition to energy, vitamin B12 is also involved in other important functions that include of the cardiovascular, pulmonary, and central nervous systems. Vitamin B12 may promote normal growth and development, help with certain types of nerve damage. It may also be beneficial for those suffering from anemia due to its critical roles in stimulating red blood cells. Unfortunately, Vitamin B12 is difficult to absorb from foods for many people, especially older adults. Our B12 Quick Dissolving tablets breakdown quickly for optimal absorption.