Some protein sources are better than others, according to science. Here’s how to tell whether a protein is—or isn’t—high quality.

The Rules of Fitness REBORN
Some protein sources are better than others, according to science. Here’s how to tell whether a protein is—or isn’t—high quality.
Collagen comes with a big price tag and even bigger health claims. But are they justified? Here’s what the experts and science have to say about this increasingly popular supplement.
Protein is important for building muscle (and losing fat). But what do you do on a vegetarian diet? Eric Helms, Ph.D, shares how to follow a plant-based diet and still get all the protein, vitamins, and nutrients your body needs.
The top supplement experts review what science says is the best protein powder options, including whey, soy, egg, casein, rice, pea, and even meat protein.
If you need help creating a better diet, start with protein. This guide tells you what you need, why you need it and the best protein sources for your diet.
Whey protein concentrate, whey isolate, and whey hydrolysate. So many options, and so little clarity. Now you can finally know: what is the best protein powder for you?
Can ice cream be healthy? This protein ice cream recipe will fight cravings and work on any diet plan.