Magnesium (form not stated)
“Magnesium -- I started taking it for the muscle cramps after long runs and it turned out to help with general sleep quality too, which I wasn't expecting.”
What owners report →
Illustration, not a product photo.
Myo-inositol, a sugar alcohol taken as powder, usually in gram doses.
14 owner comments (7 with a clear rating) from r/sleep, r/Supplements, r/insomnia, May 2026 to October 2026. Top 60% of the 20 rated supplements.
Value for money: Not rated. The example products differ too much in dose to compare cost fairly. How we score.
Inositol is rated below most supplements we track: 3.6/5. Of 7 rated owner comments, 6 were positive, 0 mixed and 1 negative; 0 mention an unwanted effect. People talk most about deeper sleep and taste & form.
Reddit comments are self-reported and unverified. They tell you what people noticed, not whether a supplement works or is safe for you.
Our sleep supplement shortlists group top-rated options by what people report. For the full picture, see our sleep supplement ratings built from Reddit owner comments.
Supplements can interact with medicines. Talk to a doctor or pharmacist first, especially if you are pregnant, take prescription medicine (including sleep, anxiety or antidepressant medicines), or have ongoing sleep problems. See sleep supplement safety and interactions.
4/5 Deeper sleep“Inositol has helped me stay asleep! I learned about inositol here.”
4/5“I take the MagG one hour before bed, and inositol at bedtime.”
4/5“I'm a 47yr old woman going thru Peri, but for me inositol helps, I still wake to pee but go back to sleep well!”
4/5“Lifestyle changes probably move the needle the most, but if you're looking for an external solution look into supplementation, I take glycine, apigenin, inositol and a few others in a blend and it helps me wind down a lot.”
These are examples of Inositol products sold on Amazon. They are not ranked by Reddit and the score above is for the ingredient, not a specific product. Check the label for dose and other ingredients.
Published studies (we list them so you can read the evidence yourself; inclusion is not an endorsement):
Across 14 Reddit comments from people who say they have used it for sleep, 6 of 7 rated comments were positive and 1 negative, for a SnoozeVerdict score of 3.6/5. These are self-reported experiences, not clinical evidence.
No. The score summarizes Reddit owner comments only. Factual statements on this page link to NIH or PubMed sources, and nothing here is medical advice.
“Magnesium -- I started taking it for the muscle cramps after long runs and it turned out to help with general sleep quality too, which I wasn't expecting.”
What owners report →
“magnesium glycinate before sleep make huge difference for me, i can't go without now”
What owners report →
“glycine on its own was the missing piece for me for years.”
What owners report →Last updated 2026-11-04. Mentions scanned: 65 in 56 threads.