Amino Acids

This simple dietary addition can boost lean body mass. And having increased muscle has all sorts of benefits. For example, it can:

ward off diabetes
boost immunity
maximize energy
accelerate metabolism (saving you from developing unsightly belly fat)
prevent osteoporosis

The absolute best source of amino acids is whey isolate. As long as it doesn't contain adulterants like sugar and artificial flavors, anyone at any age can benefit from its muscle-building effects.

Researchers from the School of Biomedical Sciences reviewed all previous studies done with elderly people who suffered from the muscle-wasting disease sarcopenia and then supplemented with whey isolate. By taking about 45 grams of whey isolate per day, these people were able to drastically increase their muscle mass and strength and reverse the disease.