Thorne is a vitamin and supplement manufacturer that has developed innovative high-grade formulations since 1984. They invest in comprehensive testing, sourcing high quality ingredients, and creating a clean manufacturing process to provide solutions for your health.

At Thorne, clean describes supplements that do not contain any harmful or unnecessary ingredients. Every Thorne product is made with quality ingredients that are screened for contaminants and backed by extensive clinical research and medical literature that substantiate the presence of each ingredient in each formula.