Harvard Men's Health Watch

Ask the doctor: Best protein: animals or plants?

Ask the doctor Q. Does it matter if I get my protein from animal or plant sources? Also, how much do I really need per day? A. Older men need adequate protein to help build and maintain muscle, but not as much as you think. The U.S. Dietary Guidelines suggest a minimum of 10% of daily calories should come from protein. Thatís about 0.36 grams of protein per pound of…

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