Top Brand
Thorne
95% positive ratings from 100+ customers
1K+ recent orders from this brand
Vitamin C with Flavonoids optimizes the beneficial effects of vitamin C – including support of immune function and promotion of wound healing – by replicating the way it’s found in nature.*
Thorne’s Vitamin C with Flavonoids does not contain corn starch, as many other vitamin C supplements do.
Bioflavonoids spare vitamin C, providing greater antioxidant capacity.*
Vitamin C with Flavonoids contains ascorbic acid and citrus flavonoids replicating the way these nutrients are found in nature.
For more than 30 years, Thorne has been trusted by healthcare practitioners who prescribe our products to their patients. Thorne products are a testament to Thorne's mission to provide high-quality supplements that are tested for quality, safety, and efficacy.
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.
We make 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.
We 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.
We're thinking sustainably to protect our environment. We believe the environment should never be compromised for the sake of business gain.
