Thorne
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.
Thorne meets our Science-Verified criteria with NSF Certified for Sport products, full ingredient disclosure, clinical...
Thorne meets our Science-Verified criteria with NSF Certified for Sport products, full ingredient disclosure, clinical dosing backed by Mayo Clinic research partnership, and published COAs.
Browse Products
THORNE - Hormone Advantage - Estrogen Support & Hormone Balance for Men & Women* - Featuring DIM & P
- Hormone Advantage
Hormone Advantage — Estrogen Support & Hormone Balance for Men & Women* - Featuring DIM & Pomegranate Extract - Gluten, Dairy & Soy-Free - 60 Servings
Health & WellnessTHORNE - Catalyte - Electrolyte Replenishment and Energy Restoration Supplement* - No Artificial Swe
- Catalyte
Catalyte — Electrolyte Replenishment and Energy Restoration Supplement* - No Artificial Sweeteners - NSF Certified for Sport- Lemon Lime - 11.01 Oz
Health & WellnessPowderTHORNE - Daily Electrolytes - Zero Sugar & Low-Calorie Electrolyte Powder Drink Mix - Flavors Derive
- Daily Electrolytes
Daily Electrolytes — Zero Sugar & Low-Calorie Electrolyte Powder Drink Mix - Flavors Derived from Natural Sources - NSF Certified for Sport - Variety
Health & WellnessCapsuleTHORNE - Grape Seed Extract (Formerly O.P.C.-100) - Grape Seed Phytosome for Antioxidant Support*
- Grape Seed Extract (Formerly O.P.C.-100)
Grape Seed Extract (Formerly O.P.C.-100) — Grape Seed Phytosome for Antioxidant Support* - 60 Capsules
Frequently Asked Questions
Is Thorne third-party tested?
Is Thorne third-party tested?
Yes. Thorne manufactures all products in their own NSF GMP-registered facilities. Their athletic line carries NSF Certified for Sport designation, and all products undergo rigorous testing for identity, purity, potency, and composition.
Why do doctors recommend Thorne?
Why do doctors recommend Thorne?
Thorne partners with Mayo Clinic and other research institutions to develop evidence-based formulations. Their commitment to third-party testing, allergen-free manufacturing, and clinical dosing makes them a preferred brand among healthcare practitioners.
Does Thorne use proprietary blends?
Does Thorne use proprietary blends?
No. Thorne discloses every ingredient and its exact dose on all product labels. They also avoid common allergens, unnecessary binders, and artificial preservatives.
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This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer