SUITABLE FOR VEGANS * KOSHER.Each vegetable capsule of Solgar L-Arginine 500mg provides: L-Arginine 500mg. Solgar L-Arginine 500mg of Capsules are Encapsulated with these natural ingredients: microcrystalline cellulose, magnesium stearate. Directions:As a food supplement for adults, one (1) capsule daily with juice or water in between meals, or as directed by a healthcare practitioner. Vegetable capsule shell of Solgar L-Arginine 500mg: hydroxypropylmethyl cellulose.