Pedigree Dentastix Medium Dog Treats are uniquely X shaped dental sticks that are scientifically proven to help reduce tartar build-up by up to 80%, when fed daily. Pedigree Daily DentaStix are designed to be chewed for long enough to be effective, with a gently abrasive texture and active ingredients that help to reduce the build-up of plaque and tartar. Tasty but low in fat, with no added sugar and free from artificial colours and flavours.Key Benefits Are scientifically proven to reduce tartar build up by up to 80% when fed daily Developed with the help of vets and nutritionists at The Waltham Centre Dental treats for dogs are low in fat, with no added sugar and free from artificial colours and flavours; a healthy dog treat with benefitsDentastix can be given to dogs from 4 months of age.Active ingredients: Pedigree DentaStix contain two very special active ingredients (sodium tripolyphosphate and zinc sulphate), which bond with the calcium in saliva and slow down the build