The METABOLIC SHAKE is the cornestone of the METABOLIC system and your key to a quick and successful total body transformation. This delicious shake makes an excellent replacement for any meal. However, during weight loss it is most critical to take the shake for breakfast within two hours of waking. Typical high-carbohydr breakfasts shake is scientifically designed with the precise balance of nutrients to promote fat burning, energize and protect lean muscle tissue, and minimize new fat storage.