When used together, MACA and TRIBULUS can help increase testosterone, promote libido, boost energy and endurance and alleviate fatigue. MACA is a root-derived nutrient that naturally increases the body’s libido, improving mental clarity and concentration, increasing stamina and enhancing overall sexual performance. Part of traditional Chinese medicine for centuries, TRIBULUS is an effective, plant-derived supplement that can naturally increase levels of testosterone, reduce tiredness, stimulate sexual drive and increase sperm production. Together, MACA and TRIBULUS can promote overall sexual performance in men while enhancing health and vitality! MACA: Natural and safe, MACA contains high nutritional value, which not only helps sexual libido but also increases energy and stamina and enhances mental clarity and memory. TRIBULUS: An herb grown in Africa, India and parts of Eastern Europe, TRIBULUS has been used for its ability to boost the production of testosterone, increase strength, improve sexual drive and reduce tiredness.