Australia is a large continent, geographically isolated to effectively quarantine sheep from diseases. All OviGenex sheep skins are sourced from Australian certified disease free sheep. As a result of our proprietary manufacturing processes that follow ASTM F2212 standards and include stringent quality control assays, OviGenex products are certified to be 99% pure, disease and prion free Ovine Collagen. With undetectable endotoxin levels, OviGenex’s CollOvine™ Ovine Collagen is supplied in Solution or Powder formats for all medical and research applications.