Whey is a milk protein that’s processed into powder. Plant-based protein comes from sources like soy, pea, rice, hemp, or pumpkin seeds. Both whey and plant protein can help build and keep muscle.

Whey protein is one of the most researched and effective sources of high-quality protein available. Loved by fitness fanatics and athletes, whey protein is a fast-digesting, complete protein derived ...

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 ...