Our USDA Organic Reishi Powder is Gluten-Free, Non-GMO Verified, Kosher, Vegan & Paleo Friendly. We go to great lengths to ensure our products are as high quality and pure as possible. Also, our product is free from Citric Acid, Fillers, Additives, or Natural Flavors. It's 100% Reishi Powder. We also don’t add any anti-caking or anti-clumping agents.