Alli Alternative Please note that we require your BMI in order for us to process your order. If you are unsure of your BMI, Please use the following information below to work out your BMI To work out your BMI: divide your weight in kilograms (kg) by your height in metres (m) then divide the answer by your height again to get your BMI. Example; Height = 1.6m Weight = 86kg 86 / 1.6 = 53.75 53.75 / 1.6 = 33 BMI = 33 Orlos is used for weight loss alongside reduced calorie, lower-fat meals in overweight (BMI 28 or above) adults, aged 18 or over. Orlos is clinically proven to help you lose more weight than dieting alone. The capsules work only in your digestive system to stop about a quarter of the fat in your meals being absorbed. This fat passes out of your body and may cause changes to your bowel movements. Eat lower-fat meals to help manage these effects.