#1 – Apples (minus the core)
An apple a day keeps the veterinarian away? This may be true, apples contain antioxidants that help boost immunity. Plus they’re sweet… dogs love the sweet. Just be sure to throw out the core since apple seeds can be harmful to dogs.
#2 – Spinach
Not only is spinach high in iron, but it is also contains calcium for bone health. Spinach also contains anti-inflammatory/anti-cancer properties by way of flavonoids and carotenoids.