Slim XL is a popular weight loss supplement that has been available for over a decade. It contains herbal ingredients that work together to increase metabolism, reduce calorie intake, block carbs, and burn calories. Clinical trials showed those taking Slim XL lost 3-5 pounds per week on average and could bind up to 27.4% of dietary fats, helping to feel fuller and store less fat. Slim XL claims to supercharge metabolism and help lose weight fast in a healthy way.