Now L-Carnosine 500mg supports muscle vitality, healthy aging, cell integrity and a free radical scavenger. L-Carnosine (beta-alanyl-L-histidine) is a dipeptide, consisting of alanine and histidine. It is naturally found in high concentrations in muscles and nerve tissues and its levels are known to decrease with age. It protects cell and tissue structures during the aging process through its free-radical neutralizing and membrane-stabilizing functions. Recommended Use: Take 1 capsule 1 to 3 times daily, preferably with food, or as directed by a healthcare professional. Store in a cool, dry place after opening.Now L-Carnosine 500mg Facts: 1 veg capsule contains: L-Carnosine (ß-alanyl-L-histidine) 500 mg Other Ingredients: Hypromellose (cellulose capsule), Stearic Acid (vegetable source) and Magnesium Stearate (vegetable source). Kosher.