Protein & Performance
Third-party-tested protein powders, creatine, and electrolyte formulas for athletes and active adults — scored on the same rubric as the rest of our reviews.
Performance
Best Protein Powders, Scored on a Public Rubric
We scored six top Amazon protein powders (whey, casein, plant) on our 6-metric rubric: third-party testing, amino profile, value, and transparency.
Performance
Best Creatine Supplements, Scored on a Public Rubric
Creatine monohydrate is one of the most-studied supplements in sports science. We scored five widely-available Amazon picks on our 6-metric rubric.
Performance
Best Electrolyte Powders, Scored on a Public Rubric
Side-by-side scoring of six widely-available electrolyte powders on our 6-metric rubric — sodium-to-potassium ratio, sugar content, third-party testing, and value.