Supplement Tier List
Every supplement ranked by the strength of its research. Click any supplement for full details, studies, and dosage.
Foundational supplements backed by decades of research and consistent results across thousands of people. Well-understood, strong safety profiles.
Strong evidence from multiple high-quality human studies with meaningful, measurable benefits. Well-documented for specific outcomes, though individual responses may vary.
Promising research with some positive human studies, but often small, short-term, or limited to specific groups. Worth considering, but set expectations accordingly.
Early-stage or mixed evidence. May have strong lab or animal data but limited human research, or results that conflict across studies. Approach with healthy skepticism.
No supplements in this tier yet
Not recommended. Human studies show no benefit, potential harm, or the risks outweigh any possible upside. Save your money.