Amongst the many different products available, Alli slimming pills are some of the best weight loss tablets on the market. They can help you lose up to 5-10% of your body weight when taken alongside a healthy and balanced diet, preventing the absorption of around 25% of the fat you consume. Click to view our full 2017 weight management guide, and browse below to see the full range of Alli products available. Orders over £35 also qualify for free UK delivery!