Whey protein is one of the most widely used supplements. It’s cheap, easy to find, and effective in increasing strength, muscle mass, and performance. In this article, we’ll look at various sources to answer the question: is whey protein safe to consume.

TL;DR Whey protein is safe for the vast majority of people. The FDA accepts whey protein as a safe food based on both evidence and its ubiquitous use. The evidence does not