We offer a wide variety of protein diet shakes including: (12g) protein-enhanced, (15g) high-protein, (20g) post-op bariatric, and ready-to-drink shakes. Drink up and lose weight. And true to our great taste motto, all of diet protein shakes are delicious and satisfying – we guarantee it. Just add water or skim milk and mix or shake vigorously, and you'll be enjoying a creamy shake in no time.