Stamina is a dietary supplement that contains a combination of natural ingredients, including L-Arginine, Maca Root, Yohimbe Bark, Epimedium Leaf, Tribulus Seed, Beet Root Juice, and Saw Palmetto Berry. The combination of these ingredients may work together to improve physical performance, increase energy and endurance, enhance sexual performance, and support overall health and wellness in both men and women. 90 Veggie Caps.