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.

Is Corn High in Protein?

Published Jul,08 2011 | By Ellen Swanson Topness

Proteins are found in every cell, tissue and organ in your body. Protein sources are also essential to your diet. In most cases, you do not need to buy protein shakes or take supplements to meet your body's need for this nutrient.