Magnesium for sleep: B → C

Reviewed correction by Abhishek Shankar: v2 narrows the population/form claim and downgrades certainty to match the cited systematic reviews; evidence review by Akhilesh Singh.

What triggered this change

The Role of Magnesium in Sleep Health: a Systematic Review of Available Literature. Read: Substrate breakdown · PubMed.

What we said before vs now

Before
Grade B
After
Grade C
may modestly reduce sleep-onset latency in older adults with insomnia, but the evidence is limited and low quality; benefit for general adults or magnesium glycinate specifically is uncertain

What this does not change

Reviewer & methodology

Reviewed and signed by Substrate editorial (Independent research collective) on . Methodology v1.

See also

Cite this page

Reuse under CC-BY 4.0 with attribution to evidencebased.info.

Plain-text citation
Substrate. Magnesium for sleep: B → C. https://evidencebased.info/changes/2026-07-19-magnesium-sleep-b-to-c. Updated 2026-07-19.
BibTeX
@misc{substrate_19magnesiumsleepbtoc,
  author = {Substrate editorial},
  title  = {Magnesium for sleep: B → C},
  year   = {2026},
  url    = {https://evidencebased.info/changes/2026-07-19-magnesium-sleep-b-to-c},
  note   = {evidencebased.info}
}