When it comes to protein for mature adults—especially adults over 65—there’s a strong body of research showing that higher protein intake tends to work better than the bare-minimum recommendation for preserving muscle, strength, and independence.  How much protein do seniors need? A practical “ideal” range many experts use (depending on health status and training) is about 1.2–2.0 grams of protein per kilogram of body weight per day—and yes, kilograms, not pounds.