Desert King International based in San Diego, California, is the world’s largest supplier of purified saponins from Quillaja saponaria for the vaccine industry, used as vaccine adjuvants in veterinary, pre-clinical and human clinical applications. We offer ready to add veterinary vaccine adjuvants such as Vet-Sap®, DK Saponin Ultra, and DK Saponin; as well as component saponins for Iscom preparations, and highly purified single saponins such as QS-21, QS-17, QS-18 and QS-7. GMP grade QS-21 is now available in 100 mg quantities, with current batch sizes of 15 grams, and yearly production capacity of hundreds of grams.