Thorne® is a science-backed supplement and wellness company known for its high-quality, bioavailable formulations, and rigorous testing. They offer a wide range of products, including vitamins, minerals, amino acids, botanicals, and at-home health tests, all designed to support various health and performance goals. Thorne emphasizes quality and scientific rigor, with in-house manufacturing, multiple rounds of testing, and a "No List" of prohibited ingredients. ​