• Our rigor

    Our supplements go through four rounds of testing, ingredient validation, and trusted third-party certifications.

  • Our expertise

    Decades of clinical experience drive product development, translating research into bioavailable formulations.

  • Our guidance

    Build a routine that actually works for you based on personalized recommendations backed by scientific data.

  • Our community

    Experience superior results guided by our researchers, physicians, athletes, and partners committed to scientific wellness.

    Third-Party Certified

    + Vitamin A to promote eye health, healthy skin, and immune function*

    + B vitamins to support a healthy heart, blood vessels,and nerves*

    + Vitamins C and E and mixed tocopherols to provide antioxidant support for cellular protection*

    + Vitamin D to promote strong bones and a healthy immune system*

    • Our Mission

      We believe personalized, scientific wellness can extend the duration of one's health span, create happier and healthier lives, and feel one’s best at every age and life stage.

    • Our ambition is to empower individuals to live healthier for longer through personalized, science-backed solutions.

      With a deep portfolio of personalized offerings — educational resources and products that support specific health goals and needs — Thorne is here at every age and life stage.

      Thorne is redefining what it means to live healthier for longer.

      • Manufacturing excellence

        Thorne has an exemplary record of compliance with standards set by the FDA.

      • Trusted certification

        Thorne’s campus is certified by NSF, the “gold standard” for quality in dietary supplements.

      • Global recognition

        Thorne has an A rating from Australia’s TGA, the toughest regulatory agency in the world.

      • GRMA certified

        GRMA recognizes companies that go beyond the minimum requirements for good manufacturing practices.

        FAQ

        What makes Thorne supplements high quality?

        Thorne is committed to producing high-quality supplements through rigorous testing, selective and well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption. To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. What’s more, our manufacturing and warehouse facilities are inspected and certified by independent, third-party organizations, ensuring compliance with current Good Manufacturing Practices (cGMP).

        Are Thorne supplements clinically tested and safe?

        Thorne partners with clinical researchers and conducts clinical trials to support the efficacy of our ingredients and products. Our team of doctors and medical experts substantiate each ingredient in every formula we manufacture based on extensive clinical research and medical literature. At any given time, numerous Thorne products are being tested in clinical trials around the world. Our collaborations with independent researchers help us understand supplement interactions in the body while exploring new potential for our formulas. We invest in clinical research to pursue ever higher standards for supplement safety and efficacy.

        Why are Thorne products more expensive than other supplements?

        When it comes to the health of our customers, we never settle for “good enough.” Thorne’s products may be priced higher than some other supplements because of our commitment to quality at every step. We don’t simply meet the standard for excellence in dietary supplements – we set the standard. In addition to our ingredient sourcing and strict manufacturing standards, we invest in rigorous testing in our state-of-the-art in-house laboratories and in third-party certifications. Our commitment to quality at every level contributes to the overall value and reliability of our products for your health.

        Where are Thorne supplements made and where are the ingredients sourced from?

        Located in Summerville, South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness. We maintain oversight of each ingredient’s origin, providing us complete supply chain transparency. Some ingredients are derived from natural sources, some are fermented, and others are synthesized to be bio-identical and highly absorbable.