Ultra Fast Keto There are macronutrients carbohydrates, fiber and protein. Protein makes you sense fuller and you're apt to consume less in case you consume it. What are the excellent protein ingredients to feature on your meal substitute shake? They may be brown rice, pea, silken tofu, nuts and seeds, whey or casein protein powders and low fats greek yogurt. Fill your shake up with fiber from end result and greens. End result and veggies are loaded with nutrients, minerals and antioxidants.