AST Enzymes is a leading probiotics and enzyme manufacturer -- and private labeler -- providing healthcare professionals and consumers with highly effective supplements for immune, gut, cardiovascular, anti-inflammatory, joint, digestive and colon health. Our products are gluten free, non-GMO, vegetarian and vegan friendly. They are manufactured in state-of-the-art facilities that are GMP-certified, and tested in an ISO-17025 certified laboratory.