The fruit contains antioxidants, which are great for dogs, especially senior dogs due to anti-inflammatory properties that can help alleviate joint pain. Raspberries are packed with vitamins and minerals. They are loaded with Vitamin C, B Vitamins, Magnesium and Manganese. They are also a good source of fiber which may help overweight dogs. Like most fruits, they should only be given to your dog in moderation due to the high sugar content but make excellent treats and occasional snacks.