Every bag Nutribyte Endurance food contains exclusively novel proteins, fats and carbohydrates to offer a unique diet suitable for most food related allergies and common digestive issues. The very high levels of protein 30% and 20% fat allows for all-day energy and performance in all breeds and working dogs. This diet may also help to condition dogs that struggle to maintain a healthy lifestyle and ideal bodyweight. This is a All-Lifestage Diet and may be fed to puppies and lactating bitches. It is not advised to give this diet to pregnant bitches as increased levels of protein and fat may affect puppy growth within the womb. No maize, maize gluten or wheat is used in this product.