Royal Canin Canine Hypoallergenic Hydrolyzed Protein Adult Ps Dry (24.2 Lb) Hydrolyzed Soy Protein, Composed Of Low Molecular Weight Peptides, Is Highly Digestible And Has Low Antigenic Potential Optimal Amounts Of B Vitamins And Amino Acids Help Maintain The Skin'S Natural Barrier Effect. Eicosapentaenoic And Docosahexaenoic Acids Are Long Chain Omega-3 Fatty Acids That Promote Healthy Skin And Coat. A Synergistic Complex Of Antioxidants To Support Cell Health