Compound Monograph
Protodioscin
A furostanol steroidal saponin and the principal active constituent of Tribulus terrestris, studied for libido- and hormone-related effects.
Classification
Protodioscin is one of the saponins, part of the terpenoids class. The largest class of plant compounds, built from five-carbon isoprene units — the essential-oil aromatics, resins, bitter principles, saponins, and plant sterols.
Where Does It Come From? (3)
Protodioscin is one of the saponins, found in Fenugreek, Tribulus and Wild yam.