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Thorne B-Complex #6

B-Complex #6

86A-
Grade A- · capsule · 60 servings · $26.00
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Scored by the Formulate Research Team · Last reviewed July 2026

B VitaminsWomen's HealthEnergyCognitionBone Support

Overview: Thorne B-Complex #6

A complete B complex formula designed for the unique needs of athletes and women* B-Complex #6 contains a balance of essential B vitamins, including methylated B12 and folate, with added B6 for sports performance and hormone balancing support.* NSF Certified for Sport®

Score Breakdown

Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.

Evidence Qualityweight 40%
91/ 100
Dose Adequacyweight 35%
87/ 100
Form/Bioavailabilityweight 25%
75/ 100
Transparencyweight 0%
100/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
96/ 100

Ingredients per Serving

IngredientAmount
Riboflavin25 mg as Riboflavin and 5 mg as Riboflavin 5'-Phosphate Sodium9 systematic reviews · 14 randomised trials30 mg
Vitamin B685 mg from 106 mg as Pyridoxine HCl and 15 mg from 25 mg Pyridoxal 5'-Phosphate62 systematic reviews · 142 randomised trials100 mg
Folate200 mcg as L-5-Methyltetrahydrofolate from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt249 systematic reviews · 697 randomised trials334 mcg
CholineCholine Citrate25 systematic reviews · 186 randomised trials14 mg
ThiaminThiamin HCl20 systematic reviews · 43 randomised trials40 mg
Vitamin B12Methylcobalamin141 systematic reviews · 337 randomised trials100 mcg
NiacinNiacinamide22 systematic reviews · 99 randomised trials80 mg
Pantothenic AcidCalcium Pantothenate3 systematic reviews · 27 randomised trials45 mg
Biotin10 systematic reviews · 32 randomised trials80 mcg

Certifications & Testing

Gluten FreeSoy FreeDairy FreeNatural FlavorsNatural ColorsMade in USANSF Certified for SportThorne VerifiedGMP Certified

Other Ingredients

Hypromellose (derived from cellulose) capsule, Cellulose, Calcium Laurate, Silicon Dioxide

Recommended Use

Take 1 capsule daily or as recommended by your health-care practitioner.

Warnings

ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS 5-methyltetrahydrofolate (5-MTHF) supplementation is not recommended concurrent with methotrexate cancer therapy, as it can interfere with methotrexate's anti-neoplastic ac

Frequently Asked Questions

What is Thorne B-Complex #6's Formulate score?

Thorne B-Complex #6 scores 86 out of 100 (grade A-) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.

Is Thorne B-Complex #6 worth it?

Thorne B-Complex #6 scores 86/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.

What's in Thorne B-Complex #6?

Each serving contains Riboflavin (30 mg), Vitamin B6 (100 mg), Folate (334 mcg), Choline (14 mg), and more. Serving size: 1 Capsule. 60 servings per container.

How do I take b-complex #6?

Take 1 capsule daily or as recommended by your health-care practitioner.

Who makes B-Complex #6?

B-Complex #6 is made by Thorne. See Formulate's full grade and product lineup for Thorne on its brand page.

Is Thorne B-Complex #6 third-party tested?

Thorne lists the following certifications and testing for this product: Gluten Free, Soy Free, Dairy Free, Natural Flavors, Natural Colors, Made in USA, NSF Certified for Sport, Thorne Verified, GMP Certified.

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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.