1. Product Overview
The THORNE B-Complex #6 is a dietary supplement designed to provide a comprehensive blend of essential B vitamins and choline. This formula supports various bodily functions, including energy production, neurological health, and muscle support. It is formulated with active, tissue-ready forms of B vitamins to enhance bioavailability.
This product is NSF Certified for Sport, ensuring compliance with label claims and the absence of substances banned by major athletic organizations.
2. Key Features and Benefits
- Complete Formula: Each capsule delivers a balanced profile of 8 water-soluble B vitamins (B1, B2, B3, B5, B6, B7, B9, and B12) along with choline. These are provided in their active, tissue-ready forms for optimal absorption and utilization by the body.
- Nerves and Brain Support: Enhanced with extra Vitamin B6, this complex aids in supporting healthy neurological function and contributes to a balanced mood. This can be particularly beneficial for athletes aiming to optimize their mental state before competition.
- Muscle Support: The formulation assists in promoting creatine conversion, supports the metabolism of amino acids and protein, and may help reduce exercise-related muscle spasms and cramps by increasing magnesium bioavailability.
- NSF Certified for Sport: This certification confirms that the product has been rigorously tested to meet label claims and is free from nearly 300 substances prohibited by many leading athletic organizations, ensuring purity and safety for athletes.
- Trusted Brand: THORNE is recognized by over 100 professional sports teams and is a proud partner of U.S. National Teams. It is also the #1 recommended clinical brand by health-care practitioners, based on a 2023 survey.
3. Ingredients
Each capsule contains:
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Thiamin (as Thiamin HCl) | 40 mg | 3,333% |
| Riboflavin (25 mg as Riboflavin and 5 mg as Riboflavin 5'-Phosphate Sodium) | 30 mg | 2,308% |
| Niacin (as Niacinamide) | 80 mg | 500% |
| Vitamin B6 (85 mg from 106 mg as Pyridoxine HCl and 15 mg from 25 mg Pyridoxal 5’-Phosphate) | 100 mg | 5,882% |
| Folate (200 mcg as L-5-Methyltetrahydrofolate from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt) | 334 mcg DFE | 84% |
| Vitamin B12 (as Methylcobalamin) | 100 mcg | 4,167% |
| Biotin | 80 mcg | 267% |
| Pantothenic Acid (as Calcium Pantothenate) | 45 mg | 900% |
| Choline (as Choline Citrate) | 14 mg | 3% |
Other Ingredients: Hypromellose (derived from cellulose) capsule, Cellulose, Calcium Laurate, Silicon Dioxide.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
4. Usage Instructions
4.1. Recommended Dosage
Take 1 capsule daily or as recommended by a health-care practitioner.
4.2. Important Considerations
- If pregnant, consult your health-care practitioner before using this product.
- Folinic acid and 5-methyl-tetrahydrofolate supplementation is not recommended concurrently with methotrexate cancer therapy, as they can interfere with methotrexate's anti-neoplastic activity. However, these folate sources have not been shown to interfere with the anti-inflammatory activity of methotrexate.
- Doses of vitamin B6 above 200 mg may inhibit breast milk production.
5. Product Images




6. Official Product Videos
What is Thorne's "No List"?
This video explains Thorne's "No List" policy, detailing the ingredients and substances that are intentionally excluded from their products to ensure purity and quality. It highlights their commitment to clean manufacturing practices.
Thorne: Tested and Trusted Since 1984
This video provides an overview of Thorne's history and commitment to quality, emphasizing their long-standing reputation for producing reliable and scientifically-backed supplements since 1984.
Thorne Supplements - No Standard Higher
This video highlights Thorne's rigorous quality standards and commitment to excellence in supplement manufacturing, asserting that their standards are among the highest in the industry.
Thorne B-Complex #6
This video specifically focuses on the Thorne B-Complex #6, explaining its benefits and how it supports the body's energy production and overall well-being.
7. Quality and Manufacturing (Maintenance)
Thorne is committed to the highest standards of quality and manufacturing. This involves:
- Four Rounds of Testing: Every supplement undergoes extensive testing, from raw materials to finished products, to ensure purity, potency, and stability.
- No Fillers or Unnecessary Ingredients: Thorne adheres to a "No List" policy, avoiding fillers, additives, and common allergens.
- US Manufacturing: Products are manufactured in a state-of-the-art facility in Summerville, South Carolina, utilizing global ingredients and operating under ISO Level 7 clean room standards.
- Clinically Researched Formulations: Formulas are developed by medical experts based on clinically researched and sustainably sourced ingredients.
- Strict Ingredient Control: A stringent control system ensures every ingredient is quarantined and tested for identification, concentration, and purity before use.

8. Specifications
| Attribute | Detail |
|---|---|
| Product Dimensions | 2.09 x 2.09 x 3.72 inches |
| Item Weight | 1.41 ounces |
| Item Model Number | B106 |
| Manufacturer | Thorne Research |
| Item Form | Capsule |
| Primary Supplement Type | B-Complex |
| Diet Type | Gluten Free |
| Flavor | Unflavored |
| Age Range Description | Adult |
| Specific Uses For Product | Brain |
| Number of Items | 1 (60 Count) |
| Container Type | Bottle |
| Dosage Form | Capsule |
| Allergen Information | Dairy Free, Fish Free, Shellfish Free, Soy Free |
9. Troubleshooting
This section is currently not available. For specific concerns or unexpected reactions, please consult a healthcare professional.
10. Warranty and Support
Specific warranty and support information for this product is not provided in the available data. For customer service or product inquiries, please refer to the manufacturer's official website or contact your retailer.
