Experts weigh in on everything you need to know about both types of whey protein and how you can use them to level up.

Is that barely used container of whey protein powder haunting you from the kitchen cupboard? Maybe you went on a health kick, using it in smoothies for a nutrition boost. Or you tried that new recipe ...

The best whey protein powders deliver a wide range of amino acids, known as the essential building blocks. When we eat protein, what we're left with is amino acids (among other by-products). They're ...

Add Yahoo as a preferred source to see more of our stories on Google. Whey protein is most commonly found in a powder form which can be added to smoothies, oatmeal, or plain water. Anna Efetova/Getty ...

Deb Hipp is a freelance health and medical writer and editor who lives in Kansas City, Missouri. She is a former investigative reporter with more than 25 years of experience as a journalist and writer ...