Pet Naturals* Dog Calming Chew 30 ct.Calming for Dogs is a calming supplement chew designed to support relaxationespecially during times of increased stress. When your dog is cowering because of the nearby thunderstorm or dealing with you leaving the house for the day by exhibiting stress behaviors, Calming for Dogs is the perfect way to support calm behaviors without sedation. No herbals! Up to 25 lbs: 1 2 chew. 25 50 lbs: 1 chew daily. 51 100 lbs: 2 chews daily. Over 100 lbs: 3 chews