(CNN) — Protein powders are expected to be a $7.5 billion industry by 2020, and the products are popular for a wide variety of reasons: Vegetarians might feel that their diets are somewhat lacking, ...

Whey isolate has more protein and fewer calories than whey concentrate. Using whey concentrate delivers minerals like calcium, magnesium, and potassium. Whey isolate is better if you have lactose ...

Protein supplements (such as shakes, powders, and bars) are popular among fitness enthusiasts today. While they offer the promise of muscle growth and recovery, they also have drawbacks. Some of the ...

These are our top picks for best protein powders on the market. A quick stroll through the health section of your favorite grocery store will show that there are hundreds of protein powder brands and ...

Every so often, nutrition makes claims that require readers to suspend not just disbelief but basic understanding of ...

Both collagen and protein powder have their potential health benefits. Learn what happens when you take them together.

Eating "enough" protein sounds easy until you actually try to do it. A while back my sister (who’s a personal trainer and ...

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...