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.

Complications of Elevated Ferritin

Published Aug,24 2011 | By Joe King, M.S.

Ferritin is a naturally produced protein molecule that is needed by your body's cells to store and control iron content throughout your body. The amount of ferritin in your body reflects the amount of iron stored as well, so the more ferritin you have, the more iron you have.

Joe King began writing fitness and nutrition articles in 2001 for the "Journal of Hyperplasia Research" and Champion Nutrition. As a personal trainer, he has been helping clients reach their fitness goals for more than a decade. King holds a Bachelor of Science in kinesiology from California State University, Hayward, and a Master of Science in exercise physiology from California State University, East Bay.