Known as the "Morale Vitamin" because of its beneficial effects on the nervous system and mental attitude. It enhances circulation, assists in blood formation, carbohydrate metabolism and digestion; plays a key role in generating energy; promotes good muscle tone; acts as an anti-oxidant, protecting the body from degenerative effects of aging; helps prevent reoccurring canker sores; helps maintain a healthy nervous system; prevents depression, alleviates fatigue, optimizes brain function and mental alertness; has been used to treat numbness of the hands and feet, poor circulation, tingling sensations, weak or sore muscles, forgetfulness, heavy breathing, and irritability. white crystalline powder,conform to BP2002,usp28,cp2005