Maintains a normal nervous system function. Helps to manage stress, tension and anxiety in your dog. Great calming supplement for fireworks, thunderstorms, traveling, separation anxiety, trips to the vet or groomers or anytime your dog is feeling nervous or stressed. Natural melatonin helps to promote rest and relaxation. Contains Thiamin and L-Tryptophan to help with stress and tension. Added ginger supports sensitive stomachs.