The amino acid L-Arginine is an important component of a complex protein. It is sought after especially for the synthesis of nitric oxide (NO) and the associated better dilation of blood vessels, which increases blood flow and improves the supply of oxygen and nutrients to the muscles. Extract from the fruit of the plant Tribulus terrestris (Tribulus terrestris) with a high content of steroidal saponins. Maca root has been used for thousands of years. The ancient Incas used it to improve their fitness. Piperine can enhance the effects of other substances. Vasodilators Men's potency Libido stimulant Testosterone levels Blood vessels and circulatory system Supports physical and mental performance Arginine Ingredients: L-arginine, Empty Hard capsule from Hypromellose (HPMC), anti-caking agents: magnesium stearate, silicon dioxide Packing:120 capsules Expected duration of use of 1 package: 60 days Recommended daily dose: take 2 capsules once a day 30 minutes before exercise. Do not exceed the recommended dosage. TribuMaca Ingredients: Tribulus Terrestris 90%, Hypromellose Vegetable Capsule, Maca Extract, Black Pepper Extract (90%). Packing: 90 capsules Expected duration of use of 1 package: 30 days Recommended daily dose: 3 capsules. Do not exceed the recommended daily dose.