-1000 mg of L-carnitine per bottle -Low in calories and low in sugar Ensuring adequate hydration is important if you play sports. To maintain fluid balance, drink enough before, during, and after exercise. PowerBar L-Carnitine is low in calories and was developed to refresh you with L-carnitine during sports activities. Instructions for Use -1 bottle per day. Shake well before use. -Ideally within the hour before and during the sport. -As part of a varied and balanced diet and a healthy lifestyle.