Senior Greenies Dog Treats Made In TheU.S.A.! Greenies Dog Treats a great way to get your pet's teeth clean by using a treat. The new senior formula will help to support healthy joints and are great for dogs over the age of 7. They are soft and have a more chewy texture for sensitive teeth and gums. These will help reduce plaque and tartar build up. The Greenies Dog Treats senior formula contains a natural source of glucosamine, chondroitin and a fiber blend to promote healthy digestion. Cleans Teeth and Freshens Breath! Contains Glucosamine & Chondroitin! Great for Dogs with Sensitive Teeth!