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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 - Copper Bisglycinate - Optimally Absorbed, Mineral Chelate Copper Supplement - Supports Bone CapsuleMineralsCapsule

THORNE - Copper Bisglycinate - Optimally Absorbed, Mineral Chelate Copper Supplement - Supports Bone

NSF Certified for Sport, NSF GMP

- Copper Bisglycinate

Copper Bisglycinate — Optimally Absorbed, Mineral Chelate Copper Supplement - Supports Bone, Blood Vessel, Heart, Nerve & Skin Health* - Third-Party C

4.7 (1,337)
$19.00$0.32/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
SleepCapsule

THORNE - Rhodiola - Adaptogenic Botanical Supplement for Stress Relief - Enhances Sleep, Mood & Ment

NSF Certified for Sport, NSF GMP

- Rhodiola

Rhodiola — Adaptogenic Botanical Supplement for Stress Relief - Enhances Sleep, Mood & Mental Focus* - Third-Party Certified - Gluten, Dairy & Soy-Fre

4.6 (1,215)
$24.00$0.40/serving
THORNE - Vitamin D Liquid - Vitamin D Supplement - Supports Healthy Bones and Muscles, Cardiovascula LiquidVitaminsLiquid

THORNE - Vitamin D Liquid - Vitamin D Supplement - Supports Healthy Bones and Muscles, Cardiovascula

NSF Certified for Sport, NSF GMP

- Vitamin D Liquid

Vitamin D Liquid — Vitamin D Supplement - Supports Healthy Bones and Muscles, Cardiovascular Health & Immune Function* - 1 Fl Oz (30 ml) - 600 Serving

4.5 (1,204)
$19.30$0.03/serving
Thorne ResveraCel - Nicotinamide Riboside with Quercetin Phytosome and Resveratrol - Support Healthy CapsuleLongevityCapsule

Thorne ResveraCel - Nicotinamide Riboside with Quercetin Phytosome and Resveratrol - Support Healthy

NSF Certified for Sport, NSF GMP

ResveraCel

ResveraCel — Nicotinamide Riboside with Quercetin Phytosome and Resveratrol - Support Healthy Aging, Methylation, Cellular Energy Production and Metab

4.6 (1,153)
$60.00$1.00/serving
THORNE - Biotin - Vitamin B7 Supplement for Healthy Hair, Nails, Skin & Metabolism - Supports Nerve CapsuleVitaminsCapsule

THORNE - Biotin - Vitamin B7 Supplement for Healthy Hair, Nails, Skin & Metabolism - Supports Nerve

NSF Certified for Sport, NSF GMP

- Biotin

Biotin — Vitamin B7 Supplement for Healthy Hair, Nails, Skin & Metabolism - Supports Nerve Health* - Third-Party Certified - Gluten, Dairy & Soy-Free

4.7 (1,136)
$28.00$0.47/serving
THORNE - FiberMend - Prebiotic Fiber Powder to Help Maintain Regularity and Balanced GI Flora* - 11. PowderGut HealthPowder

THORNE - FiberMend - Prebiotic Fiber Powder to Help Maintain Regularity and Balanced GI Flora* - 11.

NSF Certified for Sport, NSF GMP

- FiberMend

FiberMend — Prebiotic Fiber Powder to Help Maintain Regularity and Balanced GI Flora* - 11.6 Oz

4.3 (1,129)
$45.00
THORNE - B-Complex #6 - Vitamin B Complex with Active Forms of Essential B Vitamins & Extra B6-60 SeVitamins

THORNE - B-Complex #6 - Vitamin B Complex with Active Forms of Essential B Vitamins & Extra B6-60 Se

NSF Certified for Sport, NSF GMP

- B-Complex #6

B-Complex #6 — Vitamin B Complex with Active Forms of Essential B Vitamins & Extra B6-60 Servings

4.6 (1,117)
$25.60$0.43/serving
Health & Wellness

THORNE - Hormone Advantage - Estrogen Support & Hormone Balance for Men & Women* - Featuring DIM & P

NSF Certified for Sport, NSF GMP

- Hormone Advantage

Hormone Advantage — Estrogen Support & Hormone Balance for Men & Women* - Featuring DIM & Pomegranate Extract - Gluten, Dairy & Soy-Free - 60 Servings

4.5 (1,106)
$51.00$0.85/serving
THORNE - Men's Multi 50+ - Comprehensive Daily Multi with Vitamins A, B6, B12, C, D, E, Zinc & More CapsuleVitaminsCapsule

THORNE - Men's Multi 50+ - Comprehensive Daily Multi with Vitamins A, B6, B12, C, D, E, Zinc & More

NSF Certified for Sport, NSF GMP

- Men's Multi 50+

Men's Multi 50+ — Comprehensive Daily Multi with Vitamins A, B6, B12, C, D, E, Zinc & More - Support Heart, Brain, Prostate, Muscle & Immune Health* -

4.5 (1,098)
$56.00$0.31/serving
THORNE - Thyroid Health Complex - Thyroid Cofactors for Thyroid Function Support* - Vitamins B12, C CapsuleVitaminsCapsule

THORNE - Thyroid Health Complex - Thyroid Cofactors for Thyroid Function Support* - Vitamins B12, C

NSF Certified for Sport, NSF GMP

- Thyroid Health Complex

Thyroid Health Complex — Thyroid Cofactors for Thyroid Function Support* - Vitamins B12, C & E, Ashwagandha, Iodine, Zinc, Selenium, Copper & L-Tyrosi

4.6 (1,074)
$40.00$0.33/serving
THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, FetalVitamins

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal

NSF Certified for Sport, NSF GMP

5mg · - 5-MTHF

5-MTHF — Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Leve

4.7 (1,029)
$68.00$1.13/serving
THORNE - Acetyl-L-Carnitine - 500 mg - Supports Brain Function, Mood & Healthy Nerve Sensations in t CapsuleBrain HealthCapsule

THORNE - Acetyl-L-Carnitine - 500 mg - Supports Brain Function, Mood & Healthy Nerve Sensations in t

NSF Certified for Sport, NSF GMP

500 mg per capsule · - Acetyl-L-Carnitine

Acetyl-L-Carnitine — 500 mg - Supports Brain Function, Mood & Healthy Nerve Sensations in the Hands & Feet* - Third-Party Certified - Gluten, Dairy &

4.7 (1,014)
$32.00$0.53/serving
SleepCapsule

THORNE - Melaton-3-3 mg Melatonin Supplement - Supports Normal Circadian Rhythms, Restful Sleep & Re

NSF Certified for Sport

3 mg per capsule · - Melaton-3-3 mg Melatonin Supplement

Melaton-3-3 mg Melatonin Supplement — Supports Normal Circadian Rhythms, Restful Sleep & Relaxation* - NSF Certified for Sport - Gluten, Dairy & Soy-F

4.4 (1,008)
$16.00$0.27/serving
VitaminsCapsule

THORNE - 5-HTP - Contains Vitamin B6 - Serotonin Support for Sleep & Stress Management* - 5-Hydroxyt

NSF Certified for Sport, NSF GMP

- 5-HTP

5-HTP — Contains Vitamin B6 - Serotonin Support for Sleep & Stress Management* - 5-Hydroxytryptophan Supplement - Third-Party Certified - Gluten, Dair

4.6 (1,000)
$38.60$0.43/serving
THORNE - GI Relief - Digestion Supplement - Supports Gut Health & Bloating Relief* - Formulated with CapsuleGut HealthCapsule

THORNE - GI Relief - Digestion Supplement - Supports Gut Health & Bloating Relief* - Formulated with

NSF Certified for Sport, NSF GMP

- GI Relief

GI Relief — Digestion Supplement - Supports Gut Health & Bloating Relief* - Formulated with Marshmallow Root, Aloe Vera Gel, DGL & Slippery Elm Bark -

4.4 (986)
$41.00$0.23/serving
THORNE - CoQ10-100mg Optimally Absorbed Ubiquinone Supplement - Supports Heart Health, Brain Functio SoftgelHeart HealthSoftgel

THORNE - CoQ10-100mg Optimally Absorbed Ubiquinone Supplement - Supports Heart Health, Brain Functio

NSF Certified for Sport, NSF GMP

100mg per softgel · - CoQ10-100mg Optimally Absorbed Ubiquinone Supplement

CoQ10-100mg Optimally Absorbed Ubiquinone Supplement — Supports Heart Health, Brain Function, Cellular Energy Production & Healthy Aging* - Third-Part

4.7 (937)
$53.00$0.88/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 - Zinc Bisglycinate 30 mg - Highly Absorbable Zinc Supplement - Supports Immune System, Eye, CapsuleMineralsCapsule

THORNE - Zinc Bisglycinate 30 mg - Highly Absorbable Zinc Supplement - Supports Immune System, Eye,

NSF Certified for Sport, NSF GMP

30 mg per capsule · - Zinc Bisglycinate

Zinc Bisglycinate 30 mg — Highly Absorbable Zinc Supplement - Supports Immune System, Eye, Skin & Reproductive Health* - Third-Party Certified - Glute

4.8 (893)
$19.60$0.33/serving
THORNE - Glutathione-SR - Sustained-Release Supplement - Provides Antioxidant Support for the Liver, CapsuleHeart HealthCapsule

THORNE - Glutathione-SR - Sustained-Release Supplement - Provides Antioxidant Support for the Liver,

NSF Certified for Sport

- Glutathione-SR

Glutathione-SR — Sustained-Release Supplement - Provides Antioxidant Support for the Liver, Brain, Heart, Lung & Eyes* - NSF Certified for Sport - Glu

4.6 (877)
$54.00$0.90/serving
Heart HealthCapsule

THORNE - Red Yeast Rice - Supports Healthy Cholesterol Levels Already in a Normal Range, Heart Healt

NSF Certified for Sport, NSF GMP

- Red Yeast Rice

Red Yeast Rice — Supports Healthy Cholesterol Levels Already in a Normal Range, Heart Health & Blood Pressure* - Third-Party Certified - Gluten-Free,

4.7 (877)
$56.00$0.93/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 - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy ImmuneVitamins

THORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune

NSF Certified for Sport, NSF GMP

- High Potency Vitamin C

High Potency Vitamin C — Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified -

4.5 (864)
$28.60$0.68/serving
THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins, Vitamin C, Ashwagandha, Ginsen CapsuleVitaminsCapsule

THORNE - Stress Balance - Adrenal Support Supplement with B Vitamins, Vitamin C, Ashwagandha, Ginsen

NSF Certified for Sport, NSF GMP

- Stress Balance

Stress Balance — Adrenal Support Supplement with B Vitamins, Vitamin C, Ashwagandha, Ginseng & Zinc* - Third-Party Certified - Gluten, Dairy & Soy-Fre

4.5 (863)
$22.60$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