Pau D’Arco (Tabebuia impetiginosa), is a native tree of the Amazon rainforests of South America. The inner part of the bark is used as a drug and it contains a lot of active substances that protect cells and tissues from oxidative stress. Also, it increases the body’s physiological resistance. Selenium and vitamin C are important for the normal functioning of the immune system and they reduce fatigue and exhaustion. In addition, selenium keeps hair and nails healthy, and vitamin C promotes the formation of collagen for the normal functioning of the skin, gums, blood vessels, teeth, bones and cartilage.