1000 mg of freeform LLysine an AjiPure Amino Acid from Ajinomoto  World Leading Supplier of Amino Acids  Beauty  Immune Support   50 Caplets 50 Servings  NonGMO Vegan Kosher Certified GlutenFree SoyFree  Free of milk egg fish crustacean shellfish tree nuts peanuts wheat soybeans and sesame Also free of corn yeast gluten barley rice and sugar