Hydrolyzed protein cat foods are available from a number of different pet food manufacturers. Veterinarians often recommend prescription diets made by Hill’s, Royal Canin, or Purina Pro Plan.

Collagen and collagen peptides are both popular supplements for skin, joints and hair health. But which one should you take?

Hydrolyzed formulae are created by using enzymatic processes to break native proteins into smaller fragments. They may prevent development of allergic diseases by reducing exposure to intact ...