... L-arginine base L-arginine Hcl, L-cystine, L-cysteine base, L-cysteine Hcl anhydrous, L-cysteine Hcl monohydrate, creatine monohydrate, alpha- ... ketoglutarate acid and L-ornithionine Hcl. Our supplement products are ... house StandardL-Carnitine Fumarate90471-79-7In-house Standard D-Ornithine.HCl