The Right Amount Of Magnesium To Take For Deep Sleep — Sans Groggy Wakeup

mbg Senior Sustainability Editor By Emma Loewe
mbg Senior Sustainability Editor
Emma Loewe is the Sustainability Editor at mindbodygreen and the author of "The Spirit Almanac: A Modern Guide To Ancient Self Care."
Medical review by Wendie Trubow, M.D., MBA
Functional Medicine Gynecologist
Wendie Trubow is a functional medicine gynecologist with almost 10 years of training in the field. She received her M.D. from Tufts University.
Woman Sleeping On White Bed

If sleep is something you struggle with, reducing your caffeine intake, avoiding screens before bed, setting a more regular nightly schedule, and making your bedroom more conducive to rest could help. And if you're already doing all these things and still struggle to catch quality zzz's, it may be time to consider supplementing with a natural sleep aid.

Two of the most common ones you'll find are the mighty M's: melatonin and magnesium. While melatonin can help you fall asleep, it doesn't do much in the way of improving sleep quality or quantity. That's why some people who take it experience grogginess and fatigue upon waking.

Magnesium, on the other hand, can help you fall asleep faster, stay asleep longer, and wake up feeling more refreshed and energized.*

"[Magnesium] is a natural muscle relaxant, so it helps the whole body calm down," functional medicine doctor Robert Rountree, M.D., explains on the mindbodygreen podcast.* "It also lowers blood pressure. So it does basically all the things that you want to do to get the body ready for sleep and to help maintain sleep.*"

There are many types of magnesium supplements on the market, with magnesium glycinate being the most rigorously studied one for sleep. A combination of magnesium and the amino acid glycine, it's been shown to help with insomnia and stress management in clinical trials.*

OK, I'm sold on magnesium glycinate. How much of it do I need to take to sleep better?

The NIH recommends that adults cap their supplemental magnesium uptake (i.e., the amount we get in things other than food) at 350 mg per day—so you'll want to stay below that number. As long as you don't have impaired kidney function, taking slightly more magnesium than this won't necessarily be harmful, but it might cause unpleasant side effects like diarrhea and abdominal cramping—though these are more common with other forms of magnesium, like carbonate, chloride, gluconate, and oxide, than they are with magnesium glycinate.

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sleep support+

The deep and restorative sleep you've always dreamt about, featuring magnesium glycinate.*

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Luckily, it doesn't take much magnesium glycinate to reap the relaxing benefits. mbg worked with Rountree to develop our own targeted magnesium supplement, sleep support+, that comes in at 120 mg of magnesium glycinate per serving. After four rigorous rounds of testing, we found this to be the sweet spot: It's enough to help the body and mind slow down after a long day but not too much to lead to a groggy morning.

The supplement is fortified with pharmaGABA, a natural sleep enhancer, and jujube, a fruit used in traditional Chinese medicine for calming and sedation. As for how it should make you feel when you wake up? Rountree summed it up best: "You want to wake up feeling like something really beneficial happened. Like you had the best massage of your life."


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