Make no bones about it, you can help ward off osteoporosis and strengthen your skeleton with these superfoods. Add these to your diet to keep your bones healthy. 1. Dark Greens Green is great and the darker the better! Kale, bok choy, Chinese cabbage, turnip greens, collards, okra and other dark leafy greens are crammed with calcium and vitamin K, which can slash your risk of the brittle bone disease. 2. Sweet Potato This tasty spud is loaded with bone-boosting potassium and magnesium to increase vitamin D balance and neutralize acid that leaches calcium from bones. 3. Get Figgy Whether fresh …