Conclusion: This systematic review provides Grade C (possibly effective) evidence for prevention of migraine with magnesium. Prophylactic treatment of migraine by means of high levels of magnesium dicitrate (600 mg) seems to be a safe and cost efficient strategy in clinical use.
PubMed 29131326 ↗Magnesium Citrate
People mainly take Magnesium Citrate for sleep, anxiety, digestion. Based on 223 first-hand reports and 14 meta-analyses & systematic reviews in the medical literature. Ranked #12 of 1,974 overall.
Of reports that state an outcome, 67% are positive.
What Magnesium Citrate does, according to users
Of the people who reported each effect, the share who said it got better.
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: SPMC, with better tolerability and less frequent adverse events, demonstrated non-inferior bowel cleaning efficacy than that of the PEG. Large-scale, well-organized, head-to-head studies are warranted.
PubMed 26818765 ↗Conclusion: To aid in this clinical endeavor, a subjective grade was assigned to each adjunct to indicate its practical value. In addition, the systematic review of the currently available agents and methods provides insight into the features of each that may be overcome or exploited to create novel drugs and strategies that may become adopted as effective bowel cleansing adjuncts or alternatives.
PubMed 24659864 ↗Conclusion: There is not enough high-quality evidence to show that dietary magnesium supplementation during pregnancy is beneficial.
PubMed 24696187 ↗Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“I'm on a carnivore diet and I have 400mg Magnesium Citrate every night and I sleep like a baby.”
“NOW brand - Magnesium Citrate - 400mg per serving for muscle cramping....it has helped me reduce cramps by 60-70%”
“I take magnesium citrate, the paul stamets stack”
“Magnesium Citrate 400mg (Lowers blood pressure and insulin resistance. Could have cognitive benefits)”
“Magnesium (malate and citrate)”
Top discussions (5)
- Magnesium. Was it really That simple this WHOLE TIME!?!? ↗
- Spent $200 on electrolytes this year just to realize they're repackaged table salt ↗
- Magnesium glycinate is causing severe middle of the night insomnia/anxiety and nobody talks about the actual biochemistry behind it ↗
- I Tried to Treat Depression, Anxiety, and Mild Bipolar With Nootropics for a Year - Here’s What I Found ↗
- How Vitamin D And Magnesium Work Together: "50% of the population does not get adequate magnesium." ↗
Other options for sleep
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate