Great Tasting Liquid; Natural Energy That Lasts; No Caffeine; No Crashing; Stimulant Free. Vitamin B-12, the energy vitamin is a natual energy source. It is essential for many functions within the body and vital for maintaining optimum health including: Formation of red blood cells; Maintenance of the central nervous system; The support of healthy heart functions; Combating chronic fatigue; Formation of DNA; Regulating metabolic pathways. Vitamin B-12 therefore, supplementation can be very important for vegans as well as those predisposed to anemia. Sixteen percent of older adults are B-12 defivient, most often related to an inability to absorb vitamin B-12 found in food. “The Institute of Medicine recommends adults over 50 get most of their B-12 from supplements and fortified food because of impaired B-12 absorption. 1st Step For Energy High Potency B-12: A great tasting supplement you will enjoy taking day after day. Regular, consistent supplementation provides maximum benefits possible.