- L-Arginine
- Butea superba
- Eurycoma longifolia (tongkat ali )
- Tribulus terrestris (chota gokhru): total saponins
- Epimedium sagittatum (horny goat): icariins
- Mucuna pruriens (kaunch)
- Serenoa repens (saw palmetto): total fatty acids
- Lepidium meyenii (maca): macamides & macaenes
