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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 - NiaCel 400 - NAD Supplement - Nicotinamide Riboside - Supports Healthy Aging, Cellular Ener CapsuleSleepCapsule

THORNE - NiaCel 400 - NAD Supplement - Nicotinamide Riboside - Supports Healthy Aging, Cellular Ener

NSF Certified for Sport

- NiaCel 400

NiaCel 400 — NAD Supplement - Nicotinamide Riboside - Supports Healthy Aging, Cellular Energy Production & Sleep-Wake Cycle* - NSF Certified for Sport

4.5 (527)
$74.00$1.23/serving
THORNE - Berberine - 200 mg (Formerly Berbercap) - Supports Heart Function, Immune System and Gut He CapsuleGut HealthCapsule

THORNE - Berberine - 200 mg (Formerly Berbercap) - Supports Heart Function, Immune System and Gut He

NSF Certified for Sport, NSF GMP

200 mg per capsule · - Berberine

Berberine — 200 mg (Formerly Berbercap) - Supports Heart Function, Immune System and Gut Health* - 60 Capsules

4.6 (525)
$30.00$0.50/serving
THORNE - S.A.T. - Milk Thistle Complex with Silymarin, Artichoke & Turmeric Extracts for Liver Funct CapsuleAnti-InflammatoryCapsule

THORNE - S.A.T. - Milk Thistle Complex with Silymarin, Artichoke & Turmeric Extracts for Liver Funct

NSF Certified for Sport, NSF GMP

- S.A.T.

S.A.T. — Milk Thistle Complex with Silymarin, Artichoke & Turmeric Extracts for Liver Function & Digestion Support* - Third-Party Certified - Gluten,

4.6 (511)
$47.00$0.78/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
THORNE - Vitamin K2 - Concentrated Vitamin K2 (as MK-4) Liquid Supplement - Supports Bone, Heart & a LiquidVitaminsLiquid

THORNE - Vitamin K2 - Concentrated Vitamin K2 (as MK-4) Liquid Supplement - Supports Bone, Heart & a

NSF Certified for Sport, NSF GMP

- Vitamin K2

Vitamin K2 — Concentrated Vitamin K2 (as MK-4) Liquid Supplement - Supports Bone, Heart & and Blood Vessel Health* - Third-Party Certified - Gluten, D

4.4 (495)
$75.00
THORNE - Broccoli Seed Extract - Supports Liver Detox & Provides Antioxidant Support* - Sulforaphane PowderVitaminsPowder

THORNE - Broccoli Seed Extract - Supports Liver Detox & Provides Antioxidant Support* - Sulforaphane

NSF Certified for Sport, NSF GMP

- Broccoli Seed Extract

Broccoli Seed Extract — Supports Liver Detox & Provides Antioxidant Support* - Sulforaphane Glucosinolate (SGS), Vitamin C & Mustard Powder Supplement

4.7 (473)
$67.00$1.12/serving
THORNE - Women's Daily Probiotic* - Shelf Stable Probiotic Supplement - Promotes Everyday Immune, CaGut Health

THORNE - Women's Daily Probiotic* - Shelf Stable Probiotic Supplement - Promotes Everyday Immune, Ca

NSF Certified for Sport, NSF GMP

- Women's Daily Probiotic*

Women's Daily Probiotic* — Shelf Stable Probiotic Supplement - Promotes Everyday Immune, Cardiovascular & Metabolic Health* - 30 Servings

4.7 (458)
$39.00$1.30/serving
THORNE - Sacro-B - Saccharomyces boulardii - Shelf Stable Probiotic - Gut Health Supplement to Suppo CapsuleGut HealthCapsule

THORNE - Sacro-B - Saccharomyces boulardii - Shelf Stable Probiotic - Gut Health Supplement to Suppo

NSF Certified for Sport, NSF GMP

- Sacro-B

Sacro-B — Saccharomyces boulardii - Shelf Stable Probiotic - Gut Health Supplement to Support Immune Function in the Gut - Occasional Diarrhea Relief*

4.7 (442)
$42.60$0.71/serving
THORNE - Collagen Fit - Unflavored Collagen Peptides Powder with Nicotinamide Riboside - 15g of Coll PowderProteinPowder

THORNE - Collagen Fit - Unflavored Collagen Peptides Powder with Nicotinamide Riboside - 15g of Coll

NSF Certified for Sport

15g per powder · - Collagen Fit

Collagen Fit — Unflavored Collagen Peptides Powder with Nicotinamide Riboside - 15g of Collagen Peptides and 14g Protein per Serving - NSF Certified f

4.5 (414)
$56.00$1.87/serving
THORNE - Ashwagandha - Highly Concentrated Shoden - Calming Stress Support for Women & Men - Support CapsuleOmega-3Capsule

THORNE - Ashwagandha - Highly Concentrated Shoden - Calming Stress Support for Women & Men - Support

NSF Certified for Sport, NSF GMP

- Ashwagandha

Ashwagandha — Highly Concentrated Shoden - Calming Stress Support for Women & Men - Supports Daytime Energy, Mental Clarity & Optimal Immune Function*

4.6 (411)
$22.00$0.73/serving
THORNE - Green Tea Phytosome - Provides Antioxidant Support, Liver Protection & Thermogenesis and Me CapsuleLiver HealthCapsule

THORNE - Green Tea Phytosome - Provides Antioxidant Support, Liver Protection & Thermogenesis and Me

NSF Certified for Sport, NSF GMP

- Green Tea Phytosome

Green Tea Phytosome — Provides Antioxidant Support, Liver Protection & Thermogenesis and Metabolic Benefits* - Caffeine-Free - Third-Party Certified -

4.7 (387)
$33.60$0.56/serving
THORNE - Resveratrol Complex - Supports Healthy Aging* - Trans-Resveratrol Supplement with Green Tea CapsuleAnti-InflammatoryCapsule

THORNE - Resveratrol Complex - Supports Healthy Aging* - Trans-Resveratrol Supplement with Green Tea

NSF Certified for Sport, NSF GMP

- Resveratrol Complex

Resveratrol Complex — Supports Healthy Aging* - Trans-Resveratrol Supplement with Green Tea, Quercetin & Curcumin Phytosome - Third-Party Certified -

4.6 (382)
$59.00$0.98/serving
THORNE - Quercetin Complex - Antioxidant Supplement with Bromelain for Immune Health, Respiratory Su CapsuleAnti-InflammatoryCapsule

THORNE - Quercetin Complex - Antioxidant Supplement with Bromelain for Immune Health, Respiratory Su

NSF Certified for Sport, NSF GMP

- Quercetin Complex

Quercetin Complex — Antioxidant Supplement with Bromelain for Immune Health, Respiratory Support & Seasonal Allergy Relief* - Third-Party Certified -

4.6 (363)
$54.00$0.90/serving
THORNE - Advanced Testosterone Support - Men's Health Supplement - Supports Healthy Testosterone Lev CapsuleMineralsCapsule

THORNE - Advanced Testosterone Support - Men's Health Supplement - Supports Healthy Testosterone Lev

NSF Certified for Sport, NSF GMP

- Advanced Testosterone Support

Advanced Testosterone Support — Men's Health Supplement - Supports Healthy Testosterone Levels & Muscle Fatigue* - with Ashwagandha, Shilajit & Zinc -

4.5 (361)
$43.00$0.72/serving
THORNE - Ovarian Care - Promotes Healthy Ovarian Function & Fertility Health* - Inositol, CoQ10, FolVitamins

THORNE - Ovarian Care - Promotes Healthy Ovarian Function & Fertility Health* - Inositol, CoQ10, Fol

NSF Certified for Sport, NSF GMP

- Ovarian Care

Ovarian Care — Promotes Healthy Ovarian Function & Fertility Health* - Inositol, CoQ10, Folate & Polyphenols - Women's Health Supplement - Mixed Berry

4.2 (345)
$62.00$1.03/serving
THORNE - Meta-Balance - Nutritional Support for Women During Menopause* - Gluten, Dairy & Soy-FreeWomen's Health

THORNE - Meta-Balance - Nutritional Support for Women During Menopause* - Gluten, Dairy & Soy-Free

NSF Certified for Sport, NSF GMP

- Meta-Balance

Meta-Balance — Nutritional Support for Women During Menopause* - Gluten, Dairy & Soy-Free - 30 Servings

4.5 (338)
$48.00$1.60/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 - Daily Electrolytes - Zero Sugar & Low-Calorie Electrolyte Powder Drink Mix - Flavors Derive PowderHealth & WellnessPowder

THORNE - Daily Electrolytes - Zero Sugar & Low-Calorie Electrolyte Powder Drink Mix - Flavors Derive

NSF Certified for Sport

- Daily Electrolytes

Daily Electrolytes — Zero Sugar & Low-Calorie Electrolyte Powder Drink Mix - Flavors Derived from Natural Sources - NSF Certified for Sport - Variety

4.4 (332)
$40.00
THORNE - Leaky Gut Support (Formerly EnteroMend) - Gut Health Supplement - Supports Optimal DigestivGut Health

THORNE - Leaky Gut Support (Formerly EnteroMend) - Gut Health Supplement - Supports Optimal Digestiv

NSF Certified for Sport

- Leaky Gut Support (Formerly EnteroMend)

Leaky Gut Support (Formerly EnteroMend) — Gut Health Supplement - Supports Optimal Digestive Function & Bowel Regularity* - NSF Certified for Sport -

4.4 (291)
$50.00$1.67/serving
THORNE - Memoractiv - Nootropic Brain Supplement for Focus, Cognitive Function, Creativity & Concent CapsuleOmega-3Capsule

THORNE - Memoractiv - Nootropic Brain Supplement for Focus, Cognitive Function, Creativity & Concent

NSF Certified for Sport, NSF GMP

- Memoractiv

Memoractiv — Nootropic Brain Supplement for Focus, Cognitive Function, Creativity & Concentration* - Ashwagandha, Caffeine, Acetyl-L-Carnitine & More

4.5 (287)
$70.00$1.17/serving
THORNE - Pyridoxal 5'-Phosphate - Bioactive Form of Vitamin B6 for Energy Production* - Vitamin B6 ( CapsuleVitaminsCapsule

THORNE - Pyridoxal 5'-Phosphate - Bioactive Form of Vitamin B6 for Energy Production* - Vitamin B6 (

NSF Certified for Sport, NSF GMP

- Pyridoxal 5'-Phosphate

Pyridoxal 5'-Phosphate — Bioactive Form of Vitamin B6 for Energy Production* - Vitamin B6 (Pyridoxine) Supplement - Third-Party Certified - Gluten, Da

4.7 (275)
$56.00$0.31/serving
THORNE - Boswellia Phytosome - Supports a Healthy Inflammatory Response in the Brain, Lungs, GI Trac CapsuleAnti-InflammatoryCapsule

THORNE - Boswellia Phytosome - Supports a Healthy Inflammatory Response in the Brain, Lungs, GI Trac

NSF Certified for Sport, NSF GMP

- Boswellia Phytosome

Boswellia Phytosome — Supports a Healthy Inflammatory Response in the Brain, Lungs, GI Tract, Muscles, Joints & Tendons* - Third-Party Certified - Glu

4.6 (271)
$59.00$0.98/serving
THORNE - Super EPA Pro - Omega-3 Fish Oil Supplement with EPA & DHA from Sustainably Sourced Cold-Wa SoftgelOmega-3Softgel

THORNE - Super EPA Pro - Omega-3 Fish Oil Supplement with EPA & DHA from Sustainably Sourced Cold-Wa

NSF Certified for Sport, NSF GMP

- Super EPA Pro

Super EPA Pro — Omega-3 Fish Oil Supplement with EPA & DHA from Sustainably Sourced Cold-Water Fish - Promotes Blood Lipid Support* - Third-Party Cert

4.5 (269)
$93.00$0.78/serving
THORNE - Advanced DHA - Omega-3 Fish Oil Supplement with EPA & DHA in Triglyceride Form - Supports B SoftgelOmega-3Softgel

THORNE - Advanced DHA - Omega-3 Fish Oil Supplement with EPA & DHA in Triglyceride Form - Supports B

NSF Certified for Sport, NSF GMP

- Advanced DHA

Advanced DHA — Omega-3 Fish Oil Supplement with EPA & DHA in Triglyceride Form - Supports Brain, Nerve, Eye, Blood Vessel & Heart Health* - Third-Part

4.6 (266)
$30.00$0.50/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