The pet humanization trend is fueling innovation in wellness products designed for healthy aging. Whey is a high-quality, easily digested dairy protein used as a dietary intervention to counteract the physical impediments of the aging process on human muscle. New research shows that Hilmar PROtelyze™ Pet, a proprietary formulation of whey protein, may improve the quality of life in aging dogs, with the potential to slow down the aging process when introduced in younger years.