Little Miss Muffet ate her curds and whey, and so should you! Whey protein powders start as part of milk, but when filtered out, it becomes one of the most effective nutritional supplements available to athletes. Whey protein is the main ingredient in most protein powders and for good reason.

The body digests it quicker than any other form of protein, so it gets to your muscles quickly. In addition, it contains all the essential amino acids you muscles need to grow. It's easy to see why it's the first choice of almost all bodybuilders and strength training athletes.