A healthy diet that includes foods high in calcium and phosphorus obviously helps us a lot.
Consuming dairy products, proteins, fish, fruits and vegetables, as in any healthy routine, and not abuse of sugars and oily products, inadequate nutrition causes overweight and obesity, the main enemies of our joints and legs, remember that all the weight of the load your knees!
Some foods that we can add to our diet can be sardines, salmon, tuna, lentils, eggs, yogurt, chocolate (high % cocoa), swiss chard, spinach, watercress, nuts (walnuts, pistachios, almonds), and we have to reduce the consumption of foods high in sugar and fat to avoid becoming overweight.
It is not a bad idea to ask for the help of a nutritionist to join us in the process of eating better.