Protein Guide: Benefits of Shakes, Whey & Lean Sources

Protein shakes can be beneficial for hair and muscle growth, but too much protein may cause kidney damage. Identify the best lean sources like beans and eggs while understanding the differences between whey and casein for your diet.

Yougurt with peaches slice. Selective focus

Protein Powder Substitutes

Published Jul,08 2011 | By Misuzu Noguchi

From elite endurance athletes to the frail elderly, many people these days consume protein powders, which are no longer exclusively used by bodybuilders. With this increased popularity, however, comes a growing consumer concern regarding safety: "Consumer Reports Magazine"