Bedtime magnesium sprays have moved from niche wellness circles onto shelves at Target, Walmart, CVS and Ulta, promising deeper sleep without the stomach issues of oral supplements. But doctors and dermatologists say the science behind magnesium spray is thinner than the marketing suggests.
Does Magnesium Spray Actually Work for Sleep?
Experts say magnesium spray likely does not deliver enough magnesium through the skin to meaningfully improve sleep, and much of the perceived benefit comes from the calming ritual rather than the mineral itself.
Yoshua Quiones, MD, a board-certified internal medicine specialist at Medical Offices of Manhattan, told Good Housekeeping he is not strongly in favor of the product because...
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