- Give your dog to eat food items that are made up of pure ingredients. Choose the right dog food item that would have a balanced combination of nutrients like vitamins, protein, minerals and right amounts of calories. Some of dog’s food packets have excess of nutrients and calories that cause harm to the health of the dog. The amount of nutrition to be taken by a dog depends on the age, the breed and the level of activities carried out by your dog. So, be very particular about the nutritious diet that you should be giving to your dog.