Epimedium extract powder is a popular aphrodisiac and herbal sexual performance enhancer.

Its main ingredient is icariin, which is a natural compound that increases blood flow to the sex organs and promotes libido. Icariin has been found to increase the synthesis of nitric oxide and inhibit the activity of the PDE-5 enzyme.
link:https://www.haozehealth.com/plant-extract/men-s-health-raw-materials/epimedium-extract-powder.html