ENERGY METABOLISM: Vitamin B12 plays a role in energy metabolism and red blood cell formation. Because B12 is primarily found in animal-based foods, individuals with limited dietary intake may benefit from supplementation to help maintain healthy B12 levels and support overall vitality. BIOACTIVE FORM: Provides 1,000 mcg of methylcobalamin, the active form of Vitamin B12, to support absorption and utilization in the body NERVOUS SYSTEM SUPPORT: Supports healthy nerve function and brain health as part of a well-balanced diet. HIGH QUALITY GUARANTEE: Cooper Complete Vitamin B12 is made from the highest quality ingredients available and is manufactured in a cGMP compliant facility in the USA. TRUSTED EXPERTS: The foundation for Cooper Complete was established when Kenneth H. Cooper, MD, MPH founded the world-renowned Cooper Clinic in 1970. Each ingredient and level of ingredient is carefully considered based on the overall body of scientific research. Cooper’s purpose is to improve the quality and quantity of life. Vitamin B12 is important for metabolism, the formation of red blood cells, and the maintenance of the central nervous system. In combination with Vitamin B6 and Vitamin B9 (folic acid), B12 plays a key role in converting homocysteine into methionine, one of the 20 or so building blocks from which the body builds new proteins. Individuals who consume few or no animal products may not get enough B12 from diet alone and may benefit from supplementation