Desert King

For 40 years, Desert King has led in responsibly sourcing and reliably delivering saponin-based products worldwide, including QS-21, recognized as the benchmark for human vaccine adjuvants. As the proven supplier of Quillaja saponins used in five globally approved vaccines, including COVID-19, malaria, RSV and shingles, the company uniquely supplies large, ready-to-ship GMP+ volumes from extensive reserves capable of meeting growing demand for millions of additional vaccine doses.