Tribulus XS? It is a plant sourced supplement that has been used for centuries to promote healthy testosterone levels and enhance libido. Ronnie Coleman Tribulus can also support athletic performance and lean muscle development to help you reach your fitness goals. Tribulus has also been shown to improve muscle growth by accelerating increased protein synthesis. Besides supporting athletic performance and lean muscle development, it also helps stimulate your libido for improved male performance. Tribulus terrestris is known as the “shepherd’s weed” or “iron thistle”. It grows in different parts of the world, and both the root and the fruit of the plant were used in ancient times in many remedies. What are the benefits of tribulus? The level of testosterone naturally increases, which is responsible for increasing muscle size and building strength (Trusted Source). Helps increase male sexual performance and also improve sexual desire (Source 2). Improves erectile strength for men. It has no effective or noticeable effect on increasing muscle size and muscle mass (Source 3). It slightly improves strength and general performance. Research has shown a potential anti-cancer effect of Tribulus terrestris (Source 4). This plant may act as a diuretic and increase urine production (Source 5). How to use Ronnie Coleman Tribulus? As a dietary supplement, take 1-2 capsules daily preferably with morning and evening meals with plenty of water. Use in conjunction with a proper diet and exercise regimen. Warnings Keep out of reach of children and pets. You must be 18 years of age or older to purchase and/or use this product. Do not use this product if you are pregnant or nursing. Before using this product, consult a qualified physician and healthcare professional, if you are taking any prescription or over-the-counter medication, or have any existing medical condition. Immediately discontinue use and contact a physician if you experience any adverse reaction to this product. Discontinue use 2 weeks prior to surgery. Do not use if safety seal is broken or missing. Store in a cool dry place.