At Jien®, we have carefully selected our professional herbal medicine supply chain in line with recognised standards for quality, safety, consistency, and traceability. Jien® bespoke herbal prescriptions are professionally dispensed using herbal ingredients sourced from established manufacturers that operate to internationally recognised quality standards, including Good Manufacturing Practice (GMP), ISO-certified quality management systems, Certificates of Analysis (COAs), and, where applicable, compliance with the Therapeutic Goods Administration (TGA) manufacturing requirements. These standards relate to the manufacture, quality assurance, testing, traceability, and professional dispensing of the herbal ingredients used in Jien® bespoke herbal prescriptions throughout our selected supply chain.