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Supplement Science

Science-Verified Brands

Brands that meet our objective verification criteria: third-party testing, no proprietary blends, clinical dosing, and published Certificates of Analysis. This is not a paid placement — brands cannot pay for verification.

How brands earn verification

Third-party tested at accredited labs
No proprietary blends — all doses disclosed
Clinical dosing backed by research
Published Certificates of Analysis

Transparent Labs

Verified

Transparent Labs is a science-driven supplement brand known for fully disclosed ingredient labels, no proprietary blends, and third-party testing on every product. Founded on the principle that consumers deserve to know exactly what they are taking and in what amounts.

16 products reviewedTop rated: Transparent Labs Grass-Fed Whey Protein Isolate (9.2)Est. 2015

Thorne

Verified

Thorne is a premium supplement brand trusted by Mayo Clinic, Cleveland Clinic, and 11 U.S. Olympic teams. NSF Certified for Sport across their athletic line, with every product third-party tested.

160 products reviewedEst. 1984

Life Extension

Verified

Life Extension has led evidence-based supplementation for over 40 years, funding and publishing clinical research. Every product is third-party tested with doses backed by peer-reviewed studies.

319 products reviewedTop rated: Life Extension (9.2)Est. 1980

Momentous

Verified

Momentous creates elite-grade supplements used by professional athletes across the NFL, NBA, and U.S. military. Every product is Informed Sport certified and NSF Certified for Sport.

40 products reviewedTop rated: Momentous Essential Grass-Fed Whey Protein Powder - 20 g Whey Isolate Protein - NSF Certified for Sp (9.4)Est. 2018

Nordic Naturals

Verified

Nordic Naturals is the #1 selling fish oil brand in the U.S., known for IFOS 5-star certified omega-3 products. Friend of the Sea certified and third-party tested for purity.

152 products reviewedTop rated: Nordic Naturals Vitamin A + Carotenoids, Unflavored - 30 Soft Gels - Lycopene & Astaxanthin - Suppor (8.9)Est. 1995

Jarrow Formulas

Jarrow Formulas is a 47-year-old supplement company with a deep commitment to science-based formulations. Known for branded, clinically studied ingredients and rigorous third-party testing.

172 products reviewedTop rated: Jarrow Formulas (9.4)Est. 1977

Peak Performance

Peak Performance specializes in organic, whole-food-based supplements with clean ingredient profiles. All products are third-party tested, non-GMO, and free from artificial additives.

118 products reviewedTop rated: Peak Performance Ultra High Strength 4-in-1 Super Berberine Patented GlucoVantage + Wild Bitter Melo (9.3)Est. 2016

Mary Ruth's

Mary Ruth's Organics creates liquid and gummy vitamins with USDA Organic certification, vegan formulas, and clean ingredient lists. Founded by a certified health educator.

158 products reviewedEst. 2014