Vitamin B-12 (Methylcobalamin) is a water soluble vitamin necessary for the maintenance of a healthy nervous system and for the metabolic utilization of fats and proteins. Vitamin B-12 is also essential for the synthesis of DNA during cell division and therefore essential for the synthesis of DNA during cell division and therefore is especially important for rapidly multiplying cells, such as blood cells. B-12 Methylcobalamin contains only the methylcobalamin form of B12, which is the coenzyme form. Methylcobalamin is considered an enhanced form of B12 and is the same form found in natural food supplies. It is believed to be a much more active and bioavailable form of this vitamin. It is the form that crosses the blood-brain barrier and is active in brain and nerve tissue. This high potency product can help energy levels. Our NOW natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health. Since 2000, the NOW brand has been supporting Canadians with a mission to provide products that empower people to lead healthier lives. 70% of the NOW products in Canada are made or packaged in Guelph, Ontario, employing hundreds of Canadians from coast to coast. NOW performs 31,000 quality tests every month to ensure you get the highest quality supplements at the best price possible. Our promise - what is on the label, is precisely what is in the bottle.