Magnesium

Magnesium is an essential mineral and real deficiency causes real problems. The supplementation trials for sleep, anxiety and blood pressure are mostly small, short and inconsistent; the blood-pressure effect is the best supported of them and is modest. Different salts — oxide, citrate, glycinate — differ substantially in how much is absorbed.

Reviewed 2026-09-20

Official sources

Reviewed ingredient

This topic is also a reviewed ingredient, with dose context and claim-level evidence.

How this list was built

We searched Europe PMC for English-language papers published since 2014 whose title contains “magnesium supplementation” or “magnesium intake” or “oral magnesium”, kept meta-analyses, systematic reviews and randomised trials, then ranked them by study design first, then recency and citations. Retracted papers are removed.

Open a paper to read its abstract and ask for an AI brief of what it found.