Contributes to energy metabolism and reduction of tiredness & fatigue Suitable for vegetarians & vegans Vitamin B12 is naturally found in fish, dairy produce, organ meats, beef, pork and is water soluble. It contributes to normal energy yielding metabolism, functioning of the nervous system, homocysteine metabolism, psychological function, red blood cell formation and function of the immune system. Contributes to energy metabolism and reduction of tiredness & fatigue Suitable for vegetarians & vegans Vitamin B12 is naturally found in fish, dairy produce, organ meats, beef, pork and is water soluble. It contributes to normal energy yielding metabolism, functioning of the nervous system, homocysteine metabolism, psychological function, red blood cell formation and function of the immune system.