During the period of 3 weeks to 3 months, puppies require increased level of protein and energy to ensure optimal growth. Lets's bite puppy starter provides the extra nutrition. Scientifically developed in a convenient easily rehydrable form, let's bite puppy starter provides 100 percent complete and balanced nutrition. This excellent formula can also be fed to dogs during pregnancy or while nursing. Fos and mos, a natural prebiotics, is included to support your puppy's strong defences from within the digestive tract. Let's bite puppy starter is designed to promote a gradual transition from mother's milk to solid food.