English cream golden retrievers need more than just dry kibble to stay healthy. There is a lot of different foods we eat that are easy to add to their diet. Not only is it good for them but they love it as well! 1. Peanut butter. A favorite treat of many canines. Not only is it a good source of protein, but it also contains heart healthy fats, vitamin B, niacin, and vitamin E. Stuff peanut butter into a Kong to keep your dog busy for hours. Choose raw, unsalted peanut butter.