Durvet Hemp Calming Soft Chews are designed for dogs and cats experiencing nervousness, hyperactivity, or stress from environmental changes. They help support calmness and composure during travel, separation, loud storms, fireworks, changes in routine, or visits to the veterinarian or groomer. Formulated with calming agents including passion flower, chamomile, L-Tryptophan, valerian root, and melatonin, these soft chews are grain free, corn free, and soy free. Dosage is based on weight: under 25 pounds, 1 chew daily; 25 to 50 pounds, 2 chews daily; 51 to 75 pounds, 3 chews daily; over 75 pounds, 4 chews daily.