
11 Best Protein Powders, According to Years of Testing (2025)
Compare Top 11 Protein Powders More Protein Powders to Consider Photograph: Boutayna Chokrane Naked Casein: With only one ingredient—micellar casein sourced from hormone-free skim milk—it’s about as clean as it gets. No added sugar, no artificial sweeteners, and no unnecessary additives. It’s cold-processed, to avoid any nastiness from chemicals or synthetic fillers, and it’s independently…