Magnesium: a Super Mineral?


Magnesium super mineralMagnesium is a mineral gaining a lot of attention lately and for good reason. Involved in hundreds of processes in the body, it is an essential mineral critical for muscles to work properly, including the heart. Magnesium is a part of key enzymes, or chemicals in the body that help regulate energy within the cells. It is also an important nutrient for bone and nerve health. Magnesium is a major player; it exists in the body in significant amounts until some other minerals.  I regularly contribute to a very cool health and wellness site called Foodtrients where I write about evidence-based nutrition topics and wanted to be sure to share this one about Magnesium: a super mineral? 

Magnesium is found mostly within the cells, muscles and bones, not floating around in the blood so getting a blood test isn’t always the best way to determine if you’re getting enough. A number of medications and diseases, especially of the gut, compromise magnesium absorption. It is not uncommon for people living in the U.S. to be low in magnesium; certain groups are more likely to experience low levels including women and the elderly.The minimum recommended daily allowance for magnesium is 310-320 mg for women and 400-420 mg for men. If you eat a whole-foods based diet rich in unprocessed,food you are likely getting enough but many Americans aren’t meeting their needs due to a low-quality, highly processed diet. For example, whole wheat is rich in magnesium but when it is processed, the germ and bran are removed leaving white flour for crackers, bread, pasta and baked goods devoid of this important mineral.

Magnesium is plentiful in a variety of fruits, vegetables, nuts, seeds, and whole grains. Toxic effects have not been identified from eating food sources rich in magnesium, so if you love these healthy foods, no need to hold back. Meet your 300-400mg daily intake by including the following foods in your diet:

  • Beans: antioxidant rich black beans offer 120mg of magnesium in 1 cup. Serve vegetarian black bean tacos, make black bean brownies (double bonus because cocoa is so rich in magnesium!), or sprinkle on a salad for added protein and fiber.
  • Whole grains: a variety of whole grains are rich in magnesium. ¾ cup quinoa offers 118 mg magnesium and 1 cup of brown rice contains over 80 mg.
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    Nuts: cashews are particularly rich in magnesium; just ¼ cup, you get 117 mg magnesium. Add cashews to stir fry dishes or grind into a creamy cashew butter to spread on fresh fruit.

  • Seeds: 1 ounce of pumpkin seeds contain 150 mg of magnesium! Use them year round in trail mix or added to cereal or salads for a magnesium punch to your meals.
  • Spinach: 1 cup of spinach provides 156 mg of magnesium. Vegetables like spinach and broccoli are rich in magnesium because it is part of the chlorophyll molecule – the compound that makes plants green. Add spinach to any salad, omelet, or smoothie for a boost of magnesium and other health benefits.
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    Chocolate: one of the most magnesium rich foods, 1 gram of cocoa contains 140 mg of magnesium. Blend cocoa powder into smoothies, yogurt, or chia pudding for a non-dessert incorporation of this delicious food.

    For more hot nutrition topics from me and Foodtrients, check out the Health Benefits of Reishi Mushrooms and Elderberry: traditional anti-flu treatment!



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Ginger Hultin,MS, RD, CSO

An award-winning, nationally recognized nutrition expert and media spokesperson.

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