Features
- Nervous System: Promotes an optimally functioning nervous system and healthy nerve cells
- Cellular Energy: B vitamins promote cellular energy production
- Complete Formula: An optimal balance of eight B vitamins, plus choline, in their active form to enhance absorption in the body
- Free From: Doesn't contain gluten, eggs, tree nuts, peanuts, dairy, soy, fish, or shellfish
- Trusted: Thorne is chosen by champions and trusted by 100+ pro teams. Thorne is the only supplement manufacturer to collaborate with Mayo Clinic on wellness research and content. Thorne is also a proud partner of 11 U.S. Olympic Teams
Product Images
Product description


Eight easily-absorbed B vitamins, plus Choline – packed into one capsule for a simple way to promote neurological function and cellular energy production.*
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Unique FormulaBasic B Complex contains an optimal balance of the entire B vitamin family. |
Greater AbsorptionBasic B Complex contains the active forms of the B vitamins for enhanced availability to the tissues.* |
Free of AdditivesUnlike many B vitamin supplements on the market, Thorne’s Basic B Complex is not derived from yeast. |
Trusted ManufacturerFor more than 30 years, Thorne has been trusted by health-care practitioners who prescribe our products to their patients. In addition, our products are now recommended by U.S. National Teams and multiple professional sports teams for their elite athletes. Thorne products are a testament to Thorne’s mission to provide high-quality supplements that are tested for quality, safety, and efficacy. |

The potential for adverse impacts on neurological health (the health of the brain and nerves) is increasing and becoming more prevalent because of increased lifespans, environmental toxicity, and poor diet with subsequent nutrient deficiencies. It is believed that mitochondrial sufficiency is at the foundation of brain and nerve health. But the mitochondria, the cell’s energy-producing powerhouse, are also a significant source of free radical production, even in healthy individuals. The aging process, poor diet, and environmental toxins can stress the body’s built-in antioxidant system, making it less capable of quenching free radicals, such as those produced in the mitochondria. The B vitamins help mitigate these stressors.* Thorne’s Basic B Complex helps maintain good neurological health.*

When the highest standards have been met, Thorne creates higher ones.
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Sourcing Exceptional IngredientsWe develop better standards for higher quality ingredients. Thorne cares deeply about where our ingredients come from. We partner only with suppliers whose practices emphasize quality, science, and responsibility. Better ingredients means better potency, absorption, and digestibility – and ultimately better health. |
Manufacturing the Right WayWe manufacture our own products to ensure full supply chain transparency. For more than 30 years, we have invested in clean manufacturing practices. We refuse to use ingredients that can inhibit absorption. We perform our final production in the United States. Our Charleston, SC facility is third-party certified. |
Four Rounds of TestingWe run four rounds of testing for each of our products. We have invested in two state-of-the-art in-house laboratories that allow us to conduct four rounds of testing, while most competitors test only one or two times. We test our raw materials, in-process batches, finish products, and product stability for each product. |
Thinking SustainablyWe’re thinking sustainably to protect our environment. We believe the environment should never be compromised for the sake of business gain. At Thorne, we believe that doing our part to protect the environment and its most valuable resources goes hand in hand with our product quality standards. |