During the period of 3 weeks to 3 months, puppies require increased levels of protein and energy to ensure optimal growth. Drools® puppy Starter provides extra nutrition. Scientifically developed in a convenient easily rehydrate form. Drools® Puppy Starter provides 100% complete and balanced nutrition. This excellent formula can also be fed to dogs during pregnancy or while nursing. FOS & MOS, a natural prebiotic, is included to support your puppy’s strong defenses from within the digestive tract. Drools® Puppy Starter is designed to promote a gradual transition from mothers’ milk to solid food.