Medical disclaimer: SnoozeVerdict summarizes what people say about sleep supplements on Reddit. It is not medical advice, and nothing here is meant to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration. Talk to your doctor or pharmacist before starting a supplement, especially if you are pregnant, take medicines (including sleep or mood medicines), or have a medical condition. Poor sleep that lasts for months, loud snoring or gasping at night, or falling asleep during the day while driving or working needs a doctor, not a supplement. Full disclaimer.
Magnesium · Anxiety at night

Best Magnesium for Anxiety and Racing Thoughts at Night: What Reddit Owners Report

Among magnesium options, Magnesium has the best reports from people who describe anxiety or racing thoughts at bedtime: 15 of 23 rated owner comments were positive. We rank by a context rating that pulls small samples toward the average, so a handful of glowing comments cannot top the list. Only options with at least 5 rated comments in this context are ranked. This is a summary of self-reports, not a recommendation, and it is not evidence that any of them works for you.

#SupplementContext ratingRated comments herePositiveNegativeUnwanted effectsOverall score
1Magnesium (form not stated)3.32315734.2
2Magnesium glycinate3.22213734.0

Also mentioned, but with fewer than 5 rated comments in this context (not ranked): Magnesium L-threonate (Magtein).

Why each ranks where it does

1. Magnesium (form not stated)

15 positive and 7 negative out of 23 rated comments from people who describe anxiety or racing thoughts at bedtime; 65% positive. See Magnesium side effects. How people take it: Magnesium dosage and timing.

4/5

“What helped me was targeting the source of my stress and ensuring I had a consistent pre-bedtime schedule (I take magnesium, always try to give myself at least 30 minutes with no screens or outside simulation to unwind before getting in bed).”

owner comment via r/sleep · 2026-10-14 · 7 upvotes
2/5 Side effects

“For example with a symptom cluster that includes constipation, stiff muscles, poor sleep, and some anxiety I'll suspect low magnesium, especially in a person eating a processed foods diet typically containing inadequate Mg.”

owner comment via r/Supplements · 2026-08-07 · 3 upvotes

2. Magnesium glycinate

13 positive and 7 negative out of 22 rated comments from people who describe anxiety or racing thoughts at bedtime; 59% positive. See Magnesium glycinate side effects. How people take it: Magnesium glycinate dosage and timing.

4/5 Taste & form

“But that plus my 2 daily magnesium Glycinate pills”

owner comment via r/Anxiety · 2026-09-03 · 10 upvotes
2/5

“Magnesium glycinate does not work the same for everyone based on genetics.”

owner comment via r/Supplements · 2026-10-05 · 3 upvotes

Safety notes

Check interactions with a pharmacist before starting, and see a doctor about new or severe symptoms.

Example Magnesium products

Examples sold on Amazon, not ranked by Reddit. The score above is for the ingredient, not these products.

Example product · not Reddit-scored

Nature Made Magnesium Complex Supplement with Vitamin D & Zinc, 60 Capsules, Magnesium Glycinate

Brand on Reddit: 3.6 from 5 owner comments · Nature Made owner reviews
$14.44 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.
Example product · not Reddit-scored

Nutricost Magnesium Complex Extra Strength 500mg, 240 Capsules, Magnesium Oxide

Brand on Reddit: 4.1 from 5 owner comments · Nutricost owner reviews
$16.95 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

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