Explore the science behind protein powder types — whey, casein, vegan, and egg — including absorption rates, muscle-building benefits, and when to use each. See how top products like Apollon 50/50 Formula X Protein, Apollon Nutrition Egg‑Cellent Protein, Apollon 50/50 Formula V Vegan Protein, and Evogen Evofusion Protein Blend stack up for performance and recovery.