Milk-Bone Calm & Relax Dog Supplements, Deliciously Soft Dog Chews, 60 ct. Help your dog chill out with Milk-Bone Calm & Relax supplements for dogs. These aren′t just heart-shaped dog chews — they′re vet formulated, dog approved canine supplements that help dogs relax and manage normal stress. Each one contains science-backed ingredients, including melatonin, L-tryptophan, valerian root and chamomile. They contain no artificial flavors, colors or preservatives, and no fillers. And since they′re made by Milk-Bone, you know they taste amazing, too. Milk-Bone Calm & Relax dog supplements have an exciting chicken flavor that makes them fun to take and fun to give. Order now to help support your dog′s well-being every day.