Check reviews specifically for "clumping." You want a powder that dissolves easily in a shaker bottle without requiring a high-speed blender. 5. Price Per Serving
Some brands use cheap amino acids (like taurine or glycine) to trick lab tests into showing a higher protein count than what's actually there. Scan the ingredient list; if you see individual amino acids listed alongside the protein blend, it might be spiked. Stick to reputable brands with seals (like NSF or Informed-Choice) to ensure you're getting what you paid for. 4. Flavor and Mixability
No matter how healthy it is, you won't drink it if it tastes like chalk.