Thorne products are available to our approved clients. We believe as well as Thorne, that good health can always be made better". It's important to give your system a chance to succeed with the best health options. Choosing Thorne products as part of your daily regimen is a great opportunity to support your body's potential. Thorne is cGMP, NSF and TGA certified. All Thorne products are manufactured in the US. Any ingredient that is imported is quarantined until tested and verified for potency and purity. They also test for over 760 contaminants in all ingredients to assure the best quality is being produced. Thorne dedicates a lot of time on research as well, at any given time they have ongoing studies around the world to ensure efficacy and safety of their products. If you have any questions feel free to contact our office 877-465-0844.