How Many Protein Shakes Do You Need a Day? Experts Weigh In
Gans agrees that “a good starting place is the Recommended Dietary Allowance (RDA) for protein—0.8 grams per kilogram of body weight for a sedentary adult; however, this number will increase up to 2.0 grams/kg for an athlete.” Most older adults could benefit from a minimum of 1.0-1.2 g/kg, Gans notes.