Nature's Diet for Pets All Natural Premium Beef Collagen is a high-quality dog food supplement made with all-natural ingredients. The product comes in a convenient tub packaging, containing 16oz of premium beef collagen powder. Manufactured by Nature's Diet Pet in the United States, this supplement is perfect for pets looking to enjoy the benefits of collagen in their diet. Made with beef flavor, this dry collagen is sure to be a delicious addition to your furry friend's meal.