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Best Magnesium Supplements for Sleep
6
items Not all magnesium works for sleep — the form matters more than the brand. These are the ones that are actually worth taking, from clinical-grade capsules to the ones that become a whole nighttime ritual.
Sections
4
Best for Sleep (Capsules)
Best for Anxiety-Driven Sleep Issues
Powder & Drink Options
Topical Option
Best for Sleep (Capsules)
Glycinate is the form you want for sleep. Start here.
Practitioner-grade, no fillers, highest absorption of any magnesium form. The one functional medicine doctors most often recommend for sleep. Take 1–2 caps 30–60 min before bed.
Pure Encapsulations Magnesium Glycinate 90 Caps
Same glycinate family but gentler on digestion. NSF Certified for Sport — clean formula, nothing unnecessary. My pick if you’ve had stomach upset with magnesium before.
THORNE Magnesium Glycinate - 90 Caps
Best for Anxiety-Driven Sleep Issues
Racing thoughts keeping you awake? L-Threonate is the form that works differently — it crosses the blood-brain barrier.
The only form shown in research to cross the blood-brain barrier, which means it directly affects brain magnesium levels. If your sleep issues are more anxiety-driven than physical restlessness, this is the one to try.
Magnesium L Threonate Magtein Sleep Cognitive
Powder & Drink Options
If you don’t love taking pills, these dissolve in warm water and become a calming bedtime ritual.
The classic. Dissolves in warm water, slightly sweet, creates an actual wind-down ritual before bed. Start with 1 tsp and build up — higher doses can have a laxative effect.
Natural Vitality Vitamin Calm Rspbry Lemon, 16 oz
Three bioavailable forms of magnesium plus L-theanine for added calm. Berry flavor, beautiful packaging, feels like a wellness ritual. More expensive per serving but the experience is genuinely nice.
Magnesi-Om by Moon Juice
Topical Option
Absorbed through the skin — great if you don’t like pills or want to add it to an existing routine.
Spray on legs, arms, or feet before bed. Can cause mild tingling at first which fades with regular use. Great addition to a nighttime routine, and it travels well.
Life-Flo Pure Magnesium Oil Spray 8oz