Cordyceps: Cordyceps mycelium has a sweet and neutral flavor, and is associated with the Lung and Kidney meridians. It is believed to tonify the lungs and kidneys, preserve essence, and benefit Qi. (Bensky, D., et al., 2004)
Horny Goat Weed: Classical medical texts believe that insufficient reproductive function is attributed to Kidney Yang deficiency. Epimedium is classified as a herb that warms and tonifies Yang, and can promote gonadotropin regulation, possessing both androgenic and estrogenic activity. (Holmes, 1996)
Ginseng: Significantly improves erectile function. (Bone, K. & Mills, S. 2013) Also, by lowering blood prolactin levels, it can help increase libido. (Leung, K. & Wong, A, 2013)
Fenugreek Seed: Research shows that 30 subjects taking 300mg of fenugreek glycosides twice daily for 8 weeks had higher free testosterone levels and total testosterone concentrations compared to the placebo group. (Wankhede, S. Mohan, V. & Thakurdesai, P. 2015)
Other Chinese and Western natural herbal ingredients cannot be listed exhaustively.