Vetsupply: Adaptil Junior is a number one vet-recommended calming collar exclusively designed for puppies to help them adjust and learn to a new environment. It is an effective, non-drug formula that comforts freshly adopted young canines to their forever new home and assists in learning. The easy-to-use collar offers alleviation to young dogs during stressful situations, such as when they are whining or crying, during training and education, when they are alone, during travel, or when they get frightened by loud noises.