Chicken and collagen? Name a better combination than Natural Farm's Chicken Stuffed Collagen Sticks. Dogs will receive the benefits of collagen while chewing on the rich savory chicken filling. The engaging dual texture is long-lasting and provides many health benefits, too! Best for medium chewers.  
Odor-free & highly digestible 
All-natural beef skin – 95% collagen
From grass-fed, free-range cattle in Brazil
 
Ingredients: Beef skin, tapioca starch, wheat starch, chicken, coconut glycerin, beef pizzle, vinegar (natural preservative).