One of the less well known causes of fatigue is a magnesium deficiency in your diet – and food with enough magnesium is the cure.

Causes of Fatigue # 3. You're Not Getting Enough Magnesium

"Your body needs this mineral to help convert food into energy," says Tara Gidus, R.D., an Orlando, Florida spokeswoman for the American Dietetic Association. In fact, one study from the Department of Agriculture's Human Nutrition Research Center in Grand Forks, North Dakota, found that women who were deficient in magnesium used more oxygen during physical tasks than those with adequate levels. Unfortunately, magnesium deficiency is common; 65 percent of women fall short on the recommended daily allowance for magnesium: 320 milligrams.

How to Fight These Fatigue Symptoms

Meet your quota with foods high in magnesium, such as pumpkin seeds (151 milligrams per ounce), white beans (130 milligrams per cup), brazil nuts (107 milligrams per ounce), bran cereal (64 milligrams for three-quarters of a cup), and halibut (91 milligrams for 3 ounces). Spinach is also a top source of the mineral (160 milligrams per cup, cooked), so slip this leafy green in your omelets, salads, and sandwiches.

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