― What you eat plays a big role in whether you're getting the nutrients you need to build strong bones. What might surprise you, though, is that your diet can also play a role in sapping bone strength. Some foods actually leach the minerals right out of the bone, or they block the bone's ability to regrow. Here, the six biggest bone-sappers: ∙ 1. SaltSalt saps calcium from the bones, weakening them over time. For every 2,300 milligrams of sodium you take in, you lose about 40 milligrams of [...].