Nature Made Vitamin B12 1000 mcg., 400 Softgels

What the brand says

Many factors can contribute to a lack of energy and energy depletion. High amounts of stress, lack of sleep, poor diet, and busy lifestyles can negatively affect our energy levels. Vitamin B12 is important for the metabolic pathways that release cellular energy from fat and protein.�Vitamin B12 is needed for DNA synthesis, proper red blood cell formation, and for normal nervous system function.�