Fruits that are richly colored like Blueberries, blackberries, strawberries, raspberries, cherries, grapefruits, oranges, and tomatoes are all rich in the two nutrients – anthocyanins and lycopene, which fight against inflammation. Citrus fruits are also considered good for the knee joint as they contain vitamin C, which fights inflammation. These are the best fruits for the knee joint because they: controls inflammation strengthens the connecting tissues increases bone density promotes weight management, and is good for our overall health