Optifast Vanilla Shake is tasty and pr s all your essential nutrients for the day, developed specifically for medically supervised weight loss. Each OPTIFAST sachet pr s approximately 200 kcal per serving and 20g of protein. To ensure you get the best results from the programme we recommend you take four sachets a day to replace all your daily meals Clinically proven weight loss solution Replaces all your daily required meals Great tasting Only 200 calories per serving Recommended use under medical supervision Box contains12 sachets (53g / 1 meal each) of Vanilla Shake Adult obesity and type 2 diabetes. Please note that results may vary.