What is Complete Digestion? Complete Digestion provides a unique blend of nutrients designed to support the healthy & normal digestion of your daily diet. Why use Complete Digestion? Complete Digestion provides your body with the enzymes it needs to break down your food & absorb the crucial macronutrients protein carbohydrates & fats. Who can benefit? Complete Digestion is a great supplement for anyone looking to improve the digestive process & make the most of a healthy diet.