Each Jar of Stress Support for Cats & Dogs Contains 1.29 oz (36.8 g) Following Dr. Mercola's belief in providing the best quality products, this product is non GMO, Gluten Free and Soy Free Stress Support for Cats & Dogs helps calm and comfort your pet during occasional stressful times using a custom blend of calming agents.* It is safe for both cats and dogs Stress Support for Cats & Dogs is intended for occasional use before or during stressful events. Although it works best if given to your pet a day in advance, you can still use it at the beginning of the event.