Whey protein supplements aren’t just for gym buffs according to new research from McMaster University. When taken on a regular basis, a combination of these and other ingredients in a ready-to-drink formula have been found to greatly improve the physical strength of a growing cohort: senior citizens.The deterioration of muscle mass and strength that is a normal part of aging –known as sarcopenia—can increase the risk for falls, metabolic disorders and the need for assisted living, say researchers.