Magnesium is essential for health. But can supplements really help with digestion, muscle pain, anxiety and sleep? | Antiviral

<p>Experts cite inconsistent evidence for supplementing with the essential mineral – and warn taking magnesium without a deficiency has risks</p><ul><li><p>Read more in the <a href="https://www.theguardian.com/commentisfree/series/antiviral">Antiviral series</a