It’s a no-brainer that calcium-rich, milk are good for your bones, but what you leave off your plate may be just as important. When Harvard researchers put 39 healthy, pre-menopausal women on a meal plan that allowed them to eat no more than the recommended daily allowance (RDA) of protein, the results were dramatic.

After one week, they had less acid, calcium, and bone related protein fragments in their urine, possible signs that bone loss had slowed. (The acid is left over when you break down protein and you neutralize it by pulling calcium from your bones, which is why some experts argue that high protein diets can hasten osteoporosis.)
If you can’t bear to cut back on protein, try adding some extra barriers, vegetables, and nuts to your grocery list: they can soak up the acidity, potentially safe-guarding your skeleton.
Via