You need magnesium for optimal functioning of your muscle, nerve and immune systems. If your doctor suspects that you have low magnesium levels, she will order a blood test. Based on the results, your doctor can work with you to improve your magnesium intake, via your diet or your diet and a supplement . Knowing the symptoms of deficiency and how much magnesium you need will help you stay on track.
Symptoms
The signs of low magnesium include stomach upset, weakness, loss of appetite and tingling in the hands and feet. You may experience muscle cramps and contractions, as well. A low magnesium level can also affect your heart, causing changes in your heart rhythm.
Normal Levels
If you or your doctor suspect that you have low levels of magnesium, she will recommend a blood test. The normal blood value for magnesium ranges from 1.5 to 2.5 mEq/L. Anything below 1.5 mEq/L is a deficiency.
Recommended Intake
To prevent low levels of magnesium, the average adult needs 310 mg to 420 mg of magnesium each day. Your needs will depend on your gender, age and health conditions. Your doctor's recommendation will be influenced by any medications you take, as some affect the way your body processes this mineral.
Sources
Your doctor may advise a supplement until your magnesium levels return to normal. Do not take a supplement with your doctor's recommendation, though, because high doses can have complications of their own. Many foods also provide magnesium. Brown rice has 86 mg in 1 cup, and 1 oz. of almonds provides 78 mg. Other magnesium-rich foods include oat bran, lima beans, spinach and bananas.
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