Evolutions Anchovy Allergy and Joint Chews are for dogs over the age of 6 weeks. Contains a rich source of fatty acids that are vital to every day health, strong muscles, and healthy joints. Omega-3, -6, and -9 fatty acids, EPA, DHA help maintain normal histamine levels and soothe skin related issues associated with seasonal allergies. Omegas also help maintain a normal inflammatory response and may help reduce inflammation associated with normal daily exercise and activity. Bone broth and antioxidants help support healthy immune system function.