Yes, every last ingredient is rigorously tested in the U.S for purity and purely plant powered. We are non-GMO, vegan, and organic when we can get it. Additionally, all our Remrise products are gluten-free! We know a lot of our customers may have an allergy to gluten so we want to make sure we help out as many people as possible by ensuring our products are free of any gluten. You can learn more about our ingredients here.