Energy metabolism support supplement(1): contains one 200 count bottle of Nature Made B12 500 mcg Tablets for a 200 day supply | These Nature Made Vitamin B12 tablets help break down food into energy that your body can use all day long | B-12 vitamin helps support brain cell function and mood health (2) | Vitamin B12 is important for proper red blood cell formation and helps reduce fatigue for those low in B12 vitamins | Adults take one B 12 vitamin tablet daily with water and a meal | This gluten free Vitamin B12 supplement has no color added, no artificial flavors and no preservatives