Enhances Proper Digestion and Absorption of Nutrients. Plant Source. Udo's Choice Adult Enzyme Blend contains fifteen active vegetarian enzymes chosen to aid digestion and maximize absorption. This enzyme blend intended for adults 19-65 years supports digestion of foods high in protein carbohydrates and fat and helps increase absorption of nutrients from food. Udo's Choice® Adult Enzyme Blend is a potent formula for all types of diet plans.