Zoe® Lifestyle Antioxidant Dental Chews, include a special blend of natural breath fresheners plus added zinc to help reduce plaque and tartar build-up. The chewing action, combined with the crunchy texture, help your dog maintain good oral hygiene while the added vitamin C helps support a healthy immune system. Zoe® Lifestyle Treats for Dogs are made with natural, tasty and tantalizing ingredients to help fuel and maintain your pet’s healthy and active lifestyle. Safe for dogs with allergies to wheat and gluten.