Magnesium Boosts Power of Vitamin D

by Matthew Kadey, MS, RD on Jun 19, 2018

Food for Thought

You may believe you’re getting ample vitamin D, but you won’t get the full benefit if your diet lacks magnesium. A study published in the Journal of the American Osteopathic Association found that vitamin D is not properly metabolized when magnesium levels are low. Thus, it remains largely inactive in the body, leaving people vulnerable to disorders related to poor vitamin D status, including weak bones.

Unfortunately, the typical American diet supplies only about 50% of the recommended daily intake for magnesium—420 milligrams for men and 320 mg for women. Processed foods full of refined grains, fats and sugar tend to be sorely lacking in the mineral. On the flip side, foods high in magnesium include legumes, whole grains, nuts, seeds, leafy greens and dark chocolate.

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About the Author

Matthew Kadey,  MS, RD

Matthew Kadey, MS, RD IDEA Author/Presenter

Matthew Kadey, MS, RD, is a James Beard Award-winning journalist, Canada-based dietitian, freelance nutrition writer and recipe developer. He has written for dozens of magazines including Runner’s World, Men’s Health, Shape, Vegetarian Times and Fitness.