Supplements are used to improve endurance potential for athletes who are seeking to better their performance. Optimising endurance is key to many styles of training and sports, and a variety of supplements are used to facilitate this. Popular endurance enhancing supplements including Beta Alanine, Amino Acids, BCAA's, carbohydrates and electrolytes. These supplements are used to provide your muscles with an ongoing source of fuel and also reduce muscle damage during training. They also reduce fatigue and lactic acid build-up, to prevent cramping and ensure your muscles remain well hydrated.