With full of vitamin C Kiwis are a great source of potassium and fiber for your dog. Like other fruits kiwis are also high in sugars and citric acid which can cause gastrointestinal upset in dogs. Hence make sure to introduce kiwis in small portions to your dogs. Due to it’s high fiber content, it can have a laxative effect on the dog. Do make sure to peel the skin and remove the seeds before giving them to your pup.