Coffee
Just like soda, this caffeinated drink can also decrease your body’s ability to absorb calcium, resulting in a weaker you. Limit your intake to less than three cups of coffee a day, and you should be fine. But if your early mornings call for an extra few shots of espresso, try reaching for an apple instead. Some experts swear that apples provide more energy than a cup o’ Joe, due to their high abundance of simple carbs.