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Science-Verified Brand

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.

Founded 1984New York, NY155 products
·
Third-Party TestedNo Proprietary BlendsClinical DosingPublished COAs4/4 Verified

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.

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THORNE - Basic Nutrients 2/Day - Comprehensive Daily Multi-Vitamin with Optimal Bioavailability - Vi CapsuleMultivitaminCapsule

THORNE - Basic Nutrients 2/Day - Comprehensive Daily Multi-Vitamin with Optimal Bioavailability - Vi

NSF Certified for Sport, NSF GMP

- Basic Nutrients 2/Day

Basic Nutrients 2/Day — Comprehensive Daily Multi-Vitamin with Optimal Bioavailability - Vitamin & Mineral Formula - Third-Party Certified - Gluten, D

4.2 (7,036)
$36.00$0.60/serving
THORNE - Basic Nutrients 2/Day - Comprehensive Daily Multi-Vitamin with Optimal Bioavailability - Vi CapsuleMultivitaminCapsule

THORNE - Basic Nutrients 2/Day - Comprehensive Daily Multi-Vitamin with Optimal Bioavailability - Vi

NSF Certified for Sport, NSF GMP

- Basic Nutrients 2/Day

Basic Nutrients 2/Day — Comprehensive Daily Multi-Vitamin with Optimal Bioavailability - Vitamin & Mineral Formula - Third-Party Certified - Gluten, D

4.2 (6,983)
$68.00$0.57/serving
THORNE - Prenatal DHA - 650 mg DHA and 200 mg of EPA - Supports Baby’s Brain & Nervous System DeveloMultivitamin

THORNE - Prenatal DHA - 650 mg DHA and 200 mg of EPA - Supports Baby’s Brain & Nervous System Develo

NSF Certified for Sport, NSF GMP

650 mg · - Prenatal DHA

Prenatal DHA — 650 mg DHA and 200 mg of EPA - Supports Baby’s Brain & Nervous System Development from Pregnancy to Nursing* - 30 Servings

4.6 (868)
$29.60$0.99/serving
THORNE - Advanced Nutrients - Daily Multi-Vitamin & Mineral Supplement with Nicotinamide Riboside & CapsuleMultivitaminCapsule

THORNE - Advanced Nutrients - Daily Multi-Vitamin & Mineral Supplement with Nicotinamide Riboside &

NSF Certified for Sport, NSF GMP

- Advanced Nutrients

Advanced Nutrients — Daily Multi-Vitamin & Mineral Supplement with Nicotinamide Riboside & Resveratrol - NAD Supplement - Third-Party Certified - Glut

4.5 (781)
$72.00$0.30/serving
THORNE - MediClear-SGS - Rice & Pea Protein Powder Supplement with Antioxidants & a Complete Multi-V PowderMultivitaminPowder

THORNE - MediClear-SGS - Rice & Pea Protein Powder Supplement with Antioxidants & a Complete Multi-V

NSF Certified for Sport, NSF GMP

- MediClear-SGS

MediClear-SGS — Rice & Pea Protein Powder Supplement with Antioxidants & a Complete Multi-Vitamin & Mineral Profile - Daily Detox Support* - Chocolate

4.5 (337)
$90.00$4.29/serving
THORNE - MediClear Plus - Rice & Pea Protein Powder Supplement with a Complete Multi-Vitamin & Miner PowderMultivitaminPowder

THORNE - MediClear Plus - Rice & Pea Protein Powder Supplement with a Complete Multi-Vitamin & Miner

NSF Certified for Sport, NSF GMP

- MediClear Plus

MediClear Plus — Rice & Pea Protein Powder Supplement with a Complete Multi-Vitamin & Mineral Profile - Support for an Elimination or Detox Program* -

4.6 (161)
$75.00$3.57/serving

Frequently Asked Questions

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?

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?

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