Inositol vs Magnesium for sleep
Short answer: For sleep, more users report improvement with Inositol — 100% of 43 reports, versus 88% of 430 for Magnesium.
Inositol has 209 meta-analyses and 248 randomized trials on PubMed; Magnesium has 82 and 210.
Based on 429 reports about Inositol and 2,391 about Magnesium. Not medical advice.
| Inositol Supplement | Magnesium Supplement | |
|---|---|---|
| Users say it helped | 67%helped167 reports · high confidence | 73%helped956 reports · high confidence |
| Verdict | Mostly positive | Mostly positive |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 209 / 248 | 82 / 210 |
| Mainly used for | ||
| Sleep % reporting improvement | 100% (43) | 88% (430) |
| Anxiety % reporting improvement | 90% (100) | 90% (289) |
| Mood % reporting improvement | 88% (60) | 82% (118) |
| Energy % reporting improvement | 67% (3) | 75% (83) |
| Focus % reporting improvement | 79% (14) | 80% (45) |
| Common side effects | stomach issues, diarrhea, brain fog, drowsiness | diarrhea, drowsiness, stomach issues, vivid dreams |
| Typical dose reported | 10-25 g | 500 mg / daily |
The evidence supporting the use of inositol in the management of PCOS is limited and inconclusive. Clinicians and their patients should consider the uncertainty of the evidence together with individual values and preferences when engaging in shared decision-making regarding the use of inositol for PCOS.
J Clin Endocrinol Metab, 2024 ↗“I personally use Inositol only on nights I may know sleep will be challenging... extra good sleep or perception of such.”
This review confirms that the quality of literature is substandard for physicians to make well-informed recommendations on usage of oral magnesium for older adults with insomnia. However, given that oral magnesium is very cheap and widely available, RCT evidence may support oral magnesium supplements (less than 1 g quantities given up to three times a day) for insomnia symptoms.
BMC Complement Med Ther, 2021 ↗“after supplementing with 400mg of Magnesium daily. Winter blues hit me hard and my multivitamin wasn't doing any justice, but once I began supplementing Magnesium, everything changed.”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate