OPTIFAST Vanilla Shakes are a meal replacement designed to support significant weight loss. Suitable for breakfast, lunch or dinner, each OPTIFAST Vanilla Shake Mix sachet contains under 220 calories. OPTIFAST Shakes are formulated with all the essential daily vitamins and minerals that an adult needs each day (based on 4 servings per day).OPTIFAST Meal Replacement Shake Benefits:Helps you to achieve significant weight loss when used as part of an OPTIFAST diet planA clinically proven, nutritionally complete total diet replacement solution Contains essential vitamins and mineralsNo meal planning neededMakes grocery shopping easySimple and quick to makeHigh in protein and fibre to help keep you feeling full Low in saturated fatGluten-freeHow to Prepare OPTIFAST Meal Replacement ShakesEmpty your OPTIFAST Vanilla Shake Mix into a shaker and add water. Replace the lid and shake vigorously until the powder is dissolved and is fully incorporated into the water. How to Use OPTIFAST Shakes as Part of a Diet PlanThe OPTIFAST diet plan is clinically proven to help you maintain long-term weight loss. The OPTIFAST diet plan has been scientifically designed, is medically recommended and is used by healthcare professionals.The OPTIFAST six-week total diet replacement plan involves replacing all of your meals with OPTIFAST meal replacement products (for up to 4 meals and 800 calories per day), before you start to introduce some low-calorie conventional foods. OPTIFAST meal replacement shakes can also be used as part of a partial meal replacement, intermittent fasting or weight loss maintenance diet plan to support your long-term weight loss goals.You can choose from OPTIFAST Shakes, Soups, Bars and Desserts to support your journey. OPTIFAST meal replacement shakes are available in Vanilla, Chocolate, Strawberry and Coffee flavours.