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Magnesium · Anxiety & worry

Best Magnesium for Anxiety and Constant Worry: What Reddit Owners Report

Among magnesium options, Magnesium has the best reports from people who describe anxiety or constant worry: 43 of 67 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.

#	Supplement	Context rating	Rated comments here	Positive	Negative	Unwanted effects	Overall score
1	Magnesium (form not stated)	3.3	67	43	19	8	4.1
2	Magnesium glycinate	3.2	75	43	23	12	4.0

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)

43 positive and 19 negative out of 67 rated comments from people who describe anxiety or constant worry; 64% positive. See Magnesium side effects. How people take it: Magnesium dosage and timing.

4/5
“I've had anxiety tremors for years, but I soon as I start taking magnesium they are greatly reduced.”

owner comment via r/Anxiety · 2026-10-04 · 13 upvotes

2/5
“I take magnesium daily and have for 10-plus years for my restless leg syndrome, but it doesn't do anything for my anxiety.”

owner comment via r/Anxiety · 2026-09-03 · 8 upvotes

2. Magnesium glycinate

43 positive and 23 negative out of 75 rated comments from people who describe anxiety or constant worry; 57% positive. See Magnesium glycinate side effects. How people take it: Magnesium glycinate dosage and timing.

4/5 GrogginessSide effects
“For example, magnesium bisglycinate works wonders for my girlfriend's anxiety, whereas when I have it (and I've tried multiple times) I get an immense grogginess and depression the next day.”

owner comment via r/Supplements · 2026-06-05 · 12 upvotes

2/5
“ngl it did nothing for me personally, took glycinate for like 6 weeks and couldn't honestly tell a before/after difference.”

owner comment via r/sleep · 2026-07-26 · 9 upvotes

Safety notes

Magnesium: The NIH upper limit for magnesium from supplements is 350 mg a day for adults; higher doses commonly cause diarrhea, nausea and abdominal cramping.^{[NIH Office of Dietary Supplements]}
Magnesium: Magnesium can reduce the absorption of some antibiotics (tetracyclines, quinolones) and bisphosphonates, so the NIH advises spacing the doses apart.^{[NIH Office of Dietary Supplements]}

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

$14.44 on Amazon (price as of 2026-11-03). Prices change; check Amazon for the current price.

Check Price on Amazon