Abstract: The present disclosure describes an herbal dietary supplement for increasing the testosterone level, libido, and sexual performance of a human. The herbal dietary supplement also increases the energy level of a human. The herbal dietary supplement may be prepared and provided in the forms of a liquid beverage or food bar for oral consumption. In such forms, the herbal dietary supplement comprises Ashwagandha and Mucuna Pruriens. Other ingredients may be included to further increase a human's testosterone level, libido, and/or energy level or to customize and/or enhance the effects of the other ingredients in the herbal dietary supplement. Such other ingredients may include, without limitation, Maca, Tinospora Cordiofolia, Asparagus Racemosus, Orchis Latifolia, Tribulus Terrestris, Anacylus Pyrethrum, L-dopa, Epimedium, King Oyster mushrooms, Vitamin-B6, Ginseng, and D-aspartic acid.