An aminosulfonic acid which occurs naturally in high quality proteins.

Other Ingredients: Cellulose, gelatin (beef & porcine), silicon dioxide (silica) and magnesium stearate (palm).

This product is free of: casein, corn, dairy, egg, gluten, lactose, soy, wheat, whey and yeast.

Percent Daily Values are based on a U.S. 2,000 calorie daily diet.