Category: adaptogen
Aliases: Astragalus membranaceus, Huang Qi
Two active classes: (1) astragaloside IV — cycloartane triterpene saponin with cardioprotective and telomerase-modulating activity (TA-65 is enriched astragaloside IV); (2) polysaccharides — immune-modulatory via TLR4 and macrophage activation. Preclinical evidence for telomere-length preservation is stronger than human evidence.