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.
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VitaminsTHORNE - High Potency Vitamin C - Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune
- High Potency Vitamin C
High Potency Vitamin C — Ascorbic Acid with Calcium, Magnesium & Potassium - Healthy Immune Function & Antioxidant Support* - Third-Party Certified -
VitaminsCapsuleTHORNE - Stress Balance - Adrenal Support Supplement with B Vitamins, Vitamin C, Ashwagandha, Ginsen
- Stress Balance
Stress Balance — Adrenal Support Supplement with B Vitamins, Vitamin C, Ashwagandha, Ginseng & Zinc* - Third-Party Certified - Gluten, Dairy & Soy-Fre
VitaminsCapsuleTHORNE - Vitamin C 1,000 mg Supplement - Supports Healthy Immune Function & Collagen Formation - Pro
1,000 mg per capsule · - Vitamin C
Vitamin C 1,000 mg Supplement — Supports Healthy Immune Function & Collagen Formation - Provides Antioxidant Benefits* - Third-Party Certified - Glute
VitaminsCapsuleTHORNE - Advanced Bone Support - Bone Health Supplement for Women & Men with Calcium, Magnesium, Vit
- Advanced Bone Support
Advanced Bone Support — Bone Health Supplement for Women & Men with Calcium, Magnesium, Vitamin D, B Vitamins, Folate & Boron* - Gluten, Dairy & Soy-F
VitaminsSoftgelTHORNE - Ultimate-E - Vitamin E Supplement from Mixed Tocopherols - Fat-Soluble Antioxidants for Car
- Ultimate-E
Ultimate-E — Vitamin E Supplement from Mixed Tocopherols - Fat-Soluble Antioxidants for Cardiovascular Support* - Third-Party Certified - Gluten, Dair
VitaminsCapsuleTHORNE - Riboflavin 5'-Phosphate - Bioactive, Tissue Ready Form of Vitamin B2 for Methylation Suppor
- Riboflavin 5'-Phosphate
Riboflavin 5'-Phosphate — Bioactive, Tissue Ready Form of Vitamin B2 for Methylation Support* - Vitamin B2 Supplement - Third-Party Certified - Gluten
VitaminsLiquidTHORNE - Vitamin K2 - Concentrated Vitamin K2 (as MK-4) Liquid Supplement - Supports Bone, Heart & a
- Vitamin K2
Vitamin K2 — Concentrated Vitamin K2 (as MK-4) Liquid Supplement - Supports Bone, Heart & and Blood Vessel Health* - Third-Party Certified - Gluten, D
VitaminsPowderTHORNE - Broccoli Seed Extract - Supports Liver Detox & Provides Antioxidant Support* - Sulforaphane
- Broccoli Seed Extract
Broccoli Seed Extract — Supports Liver Detox & Provides Antioxidant Support* - Sulforaphane Glucosinolate (SGS), Vitamin C & Mustard Powder Supplement
VitaminsTHORNE - Ovarian Care - Promotes Healthy Ovarian Function & Fertility Health* - Inositol, CoQ10, Fol
- Ovarian Care
Ovarian Care — Promotes Healthy Ovarian Function & Fertility Health* - Inositol, CoQ10, Folate & Polyphenols - Women's Health Supplement - Mixed Berry
VitaminsCapsuleTHORNE - Pyridoxal 5'-Phosphate - Bioactive Form of Vitamin B6 for Energy Production* - Vitamin B6 (
- Pyridoxal 5'-Phosphate
Pyridoxal 5'-Phosphate — Bioactive Form of Vitamin B6 for Energy Production* - Vitamin B6 (Pyridoxine) Supplement - Third-Party Certified - Gluten, Da
VitaminsTHORNE - Craving and Stress Support - 5-MTHF, B Vitamins, Folate & Plant Extracts to Support Sleep,
- Craving and Stress Support
Craving and Stress Support — 5-MTHF, B Vitamins, Folate & Plant Extracts to Support Sleep, Cravings & Stress* - 30 Servings
VitaminsTHORNE - Magnesium CitraMate & Vitamin D-5000 Duo - Heart, Bones, Muscles - 60 to 90 Servings
- Magnesium CitraMate & Vitamin D-5000 Duo
Magnesium CitraMate & Vitamin D-5000 Duo — Heart, Bones, Muscles - 60 to 90 Servings
VitaminsLiquidTHORNE - Vitamin D3 with a Metered Dispenser - Liquid Vitamin D Vegan Supplement - Supports Healthy
4,000 IU per liquid · - Vitamin D3 with a Metered Dispenser
Vitamin D3 with a Metered Dispenser — Liquid Vitamin D Vegan Supplement - Supports Healthy Bones, Teeth & Muscles, Plus Cardiovascular & Immune Functi
VitaminsTHORNE - Nutrient Essentials Duo - Iron Bisglycinate & B-Complex #12 for Energy Support and Blood Bu
- Nutrient Essentials Duo
Nutrient Essentials Duo — Iron Bisglycinate & B-Complex #12 for Energy Support and Blood Building - 60 Servings
VitaminsTHORNE - Essential Wellness Trio - Methylation Support + Magnesium CitraMate + Vitamin D-5000-60 Ser
- Essential Wellness Trio
Essential Wellness Trio — Methylation Support + Magnesium CitraMate + Vitamin D-5000-60 Servings
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