The invention is directed to a water-based food additive or broth to be added to dry pet food, Particularly for pet species having a carnivorous natural diet such as dogs and cats, would resolve this problem. The product comprises an extraction of protein components from protein-rich animal foods, such as eggs, fish, meat, and poultry. Some other macro nutrients, such as fats, in particular oils having a significant omega-3 fatty acid component, may also be extracted. The product is provided as a liquid, or as a powder to which water is to be added. The product is then mixed with dry pet food, as is commonly used with water to make the pet food more appealing to the pet however the advantage of the product is that it provides a nutritional boost in the form of additional protein. The product also provides a scent and flavor enhancement to attract the pet, and ensure complete consumption of the food by the pet.