Magnesium

Can't say no to salty or sweet foods? Feel a strong urge to consume lots of carbs? Your food cravings are subtle messages from your body, and they're trying to tell you something.

If you're an athlete, take note of these nutrients to ensure you're getting enough.

While many runners focus on replenishing electrolytes like sodium after long runs, magnesium is just as important to your running performance.

All four of these may fall short of the optimal amounts in your daily diet.

Find out what you should be eating to stay away from the dreaded injury.