Supplement Brand Ratings
Independent quality ratings based on third-party testing, certifications, and transparency. No affiliate links — just honest assessments.
These ratings reflect general brand quality, not individual products. A high-rated brand may still have some mediocre products, and a lower-rated brand may excel in specific categories. Always check third-party test results for the specific product you buy.
Thorne
Frequently used in clinical trials. Strong third-party testing program.
Known for
Nordic Naturals
Industry leader in fish oil purity and freshness testing.
Known for
Pure Encapsulations
Free from common allergens, fillers, and additives. Practitioner-grade.
Known for
Nootropics Depot
Gold standard for nootropics and adaptogens. Extensive in-house testing with published CoAs.
Known for
NOW Foods
Good quality-to-price ratio. Extensive product line.
Known for
Life Extension
Research-focused. Publishes a scientific journal. Good for longevity supplements.
Known for
Jarrow Formulas
Strong probiotic line. Good formulations at reasonable prices.
Known for
Garden of Life
Focus on whole-food based supplements. Good organic options.
Known for
Doctor's Best
Affordable. Uses branded, trademarked ingredients (e.g., Curcumin C3 Complex).
Known for
Nutricost
Budget-friendly. Basic formulations without proprietary blends.
Known for
Rating Methodology
What we look at:
- Third-party testing (CoAs available)
- Manufacturing certifications (GMP, NSF)
- Ingredient sourcing transparency
- Label accuracy track record
- Use in clinical research
What we don't factor in:
- ×Price (we don't sell products)
- ×Marketing claims
- ×Amazon reviews
- ×Influencer endorsements