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 that extra nutrition which is scientifically developed in a convenient and easily rehydratable form. Drools® Puppy Starter provides 100% complete and balanced nutrition for growing puppies. This well-balanced formula can also be fed to dogs while pregnant or nursing. FOS (Fructo-Oligosaccharides) &amp; MOS (Mannan-Oligosaccharides), a natural prebiotic, is included to support your puppy’s defense system right from the digestive tract. Drools® Puppy Starter is designed to promote a gradual transition from mothers’s milk to solid food