Protein is among the most widely used supplements for muscle gain, and for good reason. While it’s much easier to hit your daily requirements for carbs and fat, many athletes struggle to consume enough protein to build muscle. And with so many types of protein on the market, including whey, casein, and plant-based proteins, finding the best protein … Continue reading 11 Best Protein Powders for Muscle Gain in 2025, Reviewed and Approved by RDN