Not only are the treats natural and delicious but also Hypoallergenic, Low in Fat, Gluten Free, Grain & Wheat Free, Sugar Free and Vegan. All chews are made with real fruit and vegetables. Sweet Potato& Blueberry Ingredients; Sweet Potato Flour, Pea Flour, Vegetable Glycerin, Calcium Carbonate, Dried Brewers Yeast, Vegetable Oil, Purple Sweet Potato, Dried Blueberry & Chia seeds.