alli is indicated for weight loss in adults who are overweight (body mass index, BMI, 28 kg/m2) and should be taken in conjunction with a mildly hypocaloric, lower-fat diet. We cannot supply this item to anyone with a BMI of under 28. . alli is indicated for weight loss in adults who are overweight (body mass index, BMI, 28 kg/m2) and should be taken in conjunction with a mildly hypocaloric, lower-fat diet. What is BMI?BMI (body mass index) is a way to measure how healthy your weight is relative to your height. To find out your BMI, click here. The active substance in alli is designed to target fat in your digestive system. It stops about a quarter of the fat in your meals from being absorbed. This fat will pass out of the body in your stools. It is therefore important that you commit to a lower-fat diet to manage these effects. Less waiting, more weight-lossalli helps you lose 50% more weight than dieting alone Safe, easy-to-swallow capsules Makes your hard work, work harder. when used in combination with a reduced-calorie, low-fat diet Pharmacist reviewed 07/19 Approved by Anju Gill -Pharmacist on the 29/04/2021. For more information, view our medical team