Some protein sources are better than others, according to science. Here’s how to tell whether a protein is—or isn’t—high quality.
![Several high-quality protein options laid on a butcher's block, including beef, fish, chicken, eggs and legumes.](https://www.bornfitness.com/wp-content/uploads/2018/05/high_quality_protein_options_born_fitness-670x404.jpg)
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.