THORNE Vitamin C 500 mg, Citrus Bioflavonoids from Oranges, 90 Capsules | Supports Optimal Immune Function, Collagen Production & Liver Detoxification*, Antioxidant Properties, NSF Contents Certified

Immune Support. Vitamin C formulated with natural citrus bioflavonoids for added antioxidant benefits resulting in better cellular protection against free radicals within the body*

Healthy Skin. Promotes collagen production, which enhances skin, nail, and hair health and supports healthy tissue and cartilage formation*

Detox Support. Promotes the body's natural ability to eliminate toxins and benefits liver health by helping increase glutathione and other potent antioxidants*

Third-Party Certified. This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants

Trusted. Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)