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Tom’s Guide
Tom’s Guide
Technology
Jane McGuire

I used magnesium spray for a month of marathon training — here are my results

a photo of a woman running with friends

Did you know that nearly half of Americans have low magnesium levels? Magnesium is a mineral regulating processes in your body like blood pressure, energy production, and muscle and nerve function. It’s found in foods like dark leafy greens, lean meat, and whole grains. But some people choose to top up with magnesium supplements or take a bath with magnesium-based products. 

In addition to being beneficial for sleep (here’s more on how magnesium helps you sleep), magnesium helps promote recovery, as it’s a natural muscle relaxant. But how should you use magnesium in your running routine, and can it actually make a difference? 

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