WonderSlim protein shake powder is made especially for weight loss with just 100 calories and 15 grams of protein in each pre-measured shake. Each delicious shake’s first ingredient is medical protein (calcium caseinate), which is designed to designed to keep you feeling fuller for longer. Our delicious WonderSlim protein shake powders come conveniently packaged in pre-measured pouches. Add water and enjoy 15 grams of delicious protein packed at a cost of just 100 calories. Our protein powder shakes are available in a variety of delicious flavors with hundreds of real customer reviews. If you can’t decide which flavor protein powder to buy, try a variety pack.