Our gelatin capsules are made with 100% Bovine Hide, sourced from our own cattle, raised in South America. Our empty Vegetarian capsules are made of 100% plant derived material (HPMC), sourced from a reputable source to guarantee quality and safety. Our raw materials pass through strict quality control assessments before going to the manufacturing stage. Multiple on-site audits are conducted every year (ISO-9001, cGMP and others), which allows us mantain good industry practices and to comply with the U.S and International laws and regulations.