11 Foods that Whiten Teeth
Photography by: courtesy of Shutterstock
For their size, kiwis pack more vitamin C than any other fruit. In fact, one large kiwi supplies more than 100 percent of your recommended daily amount. If you don't get enough vitamin C, research shows that the collagen network in your gums can break down, making your gums tender and more susceptible to the bacteria that cause periodontal disease. Try This: Instead of topping your morning oatmeal with brown sugar, use a sliced kiwi.