Every review on Supplements.org follows the same rigorous, transparent methodology — no shortcuts, no sponsor influence.
Too many supplement review sites quietly profit from the brands they promote. Supplements.org was founded on a simple premise: health-conscious consumers deserve honest, evidence-based answers — not commission-driven rankings dressed up as research.
Every score, ranking, and recommendation on this site is derived entirely from ingredient research, clinical evidence, and verified manufacturing standards. We accept no free products, paid placements, or brand partnerships of any kind.
No brand has ever influenced, reviewed, or approved content on Supplements.org before publication. If a product scores poorly, it scores poorly — full stop.
Every supplement we review passes through the same structured evaluation, regardless of brand size, product price, or category popularity.
We start with the full ingredient list. Proprietary blends, underdosed actives, potentially harmful additives, and labeling transparency issues are all flagged at this stage. No ingredient list = immediate red flag.
Each key ingredient is cross-referenced against PubMed-indexed human studies, Cochrane systematic reviews, and peer-reviewed meta-analyses. Manufacturer claims are never taken at face value.
We verify GMP certification status, third-party testing certificates (NSF, USP, Informed Sport), and any FDA warning letters or recalls associated with the manufacturer or facility.
Drug interactions, contraindications for specific populations, and dosage safety thresholds are reviewed against clinical guidelines before any review is published.
Our final rating is a weighted composite across five dimensions. Each dimension carries a different weight based on its importance to consumer safety and product efficacy.
| Dimension | Weight | What we look for |
|---|---|---|
| Ingredient Quality & Dosing | 35% | Evidence-backed ingredients at clinically effective doses |
| Clinical Evidence Strength | 25% | Number and quality of human RCTs supporting the formula |
| Manufacturer Standards | 20% | GMP compliance, third-party testing, regulatory clean history |
| Safety Profile | 12% | Known interactions, contraindications, reported adverse events |
| Label Transparency | 8% | Full ingredient disclosure, no proprietary blends |
Supplements.org may earn a commission when you purchase through links on this site. This never affects our scores, rankings, or editorial conclusions. Our affiliate relationships are disclosed on every page, and our full disclosure policy is publicly available.
If you have questions about our methodology or spot an error in any review, please contact our editorial team.