Muscle Rulz CITRULLINE 4000mg Formulated to provide an optimal dosage of proven Nitric boosters to support blood flow, vascularity, pump, muscle growth, exercise endurance & heart health. L-Citrulline is a non-essential amino acid that helps in boosting the pump and enhancing your exercise performance. It also helps in building muscle endurance. To nourish your body with this amazing nutrient, Muscle Rulz has formulated Muscle Rulz Citrulline that offers you 4g of this special nutrient to enhance your pump. Boosts athletic performance Increases the blood flow Increased nitric oxide levels Improves exercise capacity Boosting cardiovascular health Increase insulin secretion Increases muscle protein synthesis Increases growth hormone levels