The Slim-Fast 3-2-1 plan is designed to be easy and convenient. You should replace two meals a day with a Slim-Fast meal replacement and your third meal should be a healthy, nutritious meal of 600 calories for a female and 800 calories for a male. Slim-Fast recommend that you have up to three snacks a day to help keep you feeling satisfied between meals. You can choose between a tasting range of Slim-Fast snacks for convenience, fruits or vegetables - all less than 100 calories. In total the plan is designed to deliver a total intake of between 1200-1400 calories per day. In addition, you should aim to drink between 1.5-2 litres of water per day. It is also important that whilst on the plan you aim to do 30 minutes of moderately intense physical activity each day. Ingredients Skimmed milk powder, maltodextrin, inulin, soya bean oil, milk proteins, thickener (xanthan gum), vitamins and minerals1, natural flavouring, emulsifiers (powdered cellulose, soya lecithin), sweetener (sucralose), colour (carotenes). For allergens, see ingredients in bold. 1Vitamins and minerals: potassium phosphate, magnesium oxide, iron pyrophosphate, zinc gluconate, vitamin C, vitamin E, niacin, copper gluconate, vitamin A, manganese sulphate, sodium selenite, vitamin D, folic acid, vitamin B6, thiamine