Clinically Backed Supplements & Daily Essentials
For better health,
look deeper.
Discover your gut’s role in supporting immune readiness,
muscle function, and balanced metabolism.
For better health,
look deeper.
Discover your gut’s role in immune health, muscle function, and metabolism.
For better health,
look deeper.
Discover your gut’s role in immune health, muscle function, and metabolism.
Science is personal
Your health journey is as unique as you are. Build a routine that fits your goals.
How does gut health affect the rest of my body?
Connect with Taia for personalized recommendations to support how you feel and perform every day.
Your health deserves excellence
Science over hype
Clinical research informs our formulas, down to the amount of each ingredient.
Quality you can verify
Four rounds of rigorous testing on every batch verifies purity and potency.
Rigor in every step
We transform 40+ years of scientific expertise into solutions for your health.
Trusted at every level
Chosen by health-care practitioners and elite athletes. Made for your everyday health.
Gut-first care for
your body
Explore our full range of gut health formulas to find support for your individual needs and the health goals you’re working toward.
Gut-first care for your body
Explore our full range of gut health formulas to find support for your individual needs and the health goals you’re working toward.
Trusted by 45,000+
professionals worldwide
Trusted by 45,000+
professionals worldwide
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). You can read more about Thorne’s unparalleled quality standards here: https://www.thorne.com/quality.
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. Learn more about the ingredients we use here: https://www.thorne.com/ingredients
Thorne has an exemplary record
of compliance with standards
set by the FDA.
Thorne’s campus is certified by NSF, the “gold standard” for quality in dietary supplements.
Thorne has an A rating from Australia’s TGA, the toughest regulatory agency in the world.
