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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.

Browse Products

THORNE - Amino Complex - Clinically-Validated EAA and BCAA Powder for Pre or Post-Workout - Promotes PowderRecoveryPowder

THORNE - Amino Complex - Clinically-Validated EAA and BCAA Powder for Pre or Post-Workout - Promotes

NSF Certified for Sport

- Amino Complex

Amino Complex — Clinically-Validated EAA and BCAA Powder for Pre or Post-Workout - Promotes Lean Muscle Mass & Exercise Recovery* - Berry - NSF Certif

4.3 (1,946)
$52.00$1.73/serving
THORNE - Lysine - Supports Immune, Skin & Bone Health - Promotes Collagen Formation* - L-Lysine Amin CapsuleRecoveryCapsule

THORNE - Lysine - Supports Immune, Skin & Bone Health - Promotes Collagen Formation* - L-Lysine Amin

NSF Certified for Sport, NSF GMP

- Lysine

Lysine — Supports Immune, Skin & Bone Health - Promotes Collagen Formation* - L-Lysine Amino Acid Supplement - Third-Party Certified - Gluten, Dairy &

4.8 (1,778)
$15.00$0.25/serving
THORNE - Glycine - Supports Relaxation, Stress Management, Detoxification & Healthy Muscle Function* CapsuleRecoveryCapsule

THORNE - Glycine - Supports Relaxation, Stress Management, Detoxification & Healthy Muscle Function*

NSF Certified for Sport, NSF GMP

- Glycine

Glycine — Supports Relaxation, Stress Management, Detoxification & Healthy Muscle Function* - Amino Acid Supplement - Third-Party Certified - Gluten,

4.6 (1,288)
$30.60$0.12/serving
THORNE - PharmaGABA-100 - GABA Supplement - 100 mg Natural Source Gamma-Aminobutyric Acid - Support CapsuleRecoveryCapsule

THORNE - PharmaGABA-100 - GABA Supplement - 100 mg Natural Source Gamma-Aminobutyric Acid - Support

NSF Certified for Sport, NSF GMP

100 mg per capsule · - PharmaGABA-100

PharmaGABA-100 — GABA Supplement - 100 mg Natural Source Gamma-Aminobutyric Acid - Support a Calm State of Mind and Restful Sleep* - 60 Capsules

4.6 (918)
$33.60$0.56/serving
THORNE - PharmaGABA-250 - GABA Supplement - 250 mg Natural Source Gamma-Aminobutyric Acid - Promotes CapsuleRecoveryCapsule

THORNE - PharmaGABA-250 - GABA Supplement - 250 mg Natural Source Gamma-Aminobutyric Acid - Promotes

NSF Certified for Sport, NSF GMP

250 mg per capsule · - PharmaGABA-250

PharmaGABA-250 — GABA Supplement - 250 mg Natural Source Gamma-Aminobutyric Acid - Promotes a Calm, Relaxed, Focused State of Mind* - 60 Capsules

4.6 (642)
$59.00$0.98/serving
THORNE - Beta Alanine Sustained Release - Supports Muscle Output & Endurance - Helps Reduce Fatigue TabletRecoveryTablet

THORNE - Beta Alanine Sustained Release - Supports Muscle Output & Endurance - Helps Reduce Fatigue

NSF Certified for Sport

- Beta Alanine Sustained Release

Beta Alanine Sustained Release — Supports Muscle Output & Endurance - Helps Reduce Fatigue & Soreness* - Amino Acid Supplement - NSF Certified for Spo

4.7 (502)
$46.00$0.38/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