Supplement monograph

Magnesium

A mineral where form choice, GI tolerance, and medication spacing matter more than the biggest elemental number.

Practical read

Keep magnesium away from affected antibiotics and consider evening dosing when tolerance and adherence are easier there.

Decision frame

Magnesium: what to check before it earns a slot

Timing rule

Keep magnesium away from affected antibiotics and consider evening dosing when tolerance and adherence are easier there.

Form lens

Citrate: practical defaultGlycinate: tolerance-firstOxide: lower absorption confidence

Safety lens

Fluoroquinolone and tetracycline spacingLoose stools with some formsKidney disease requires clinician guidance

Best fit

  • Low-intake diets
  • Form comparison
  • Evening-stack tolerance checks

Form notes

  • Citrate: practical default
  • Glycinate: tolerance-first
  • Oxide: lower absorption confidence

Watchouts

  • Fluoroquinolone and tetracycline spacing
  • Loose stools with some forms
  • Kidney disease requires clinician guidance

Sources and next checks

NIH ODS magnesium fact sheetImaoka et al. fluoroquinolone chelation evidence
Magnesium glycinate vs citrate vs oxideMagnesium form pickerMineral-antibiotic interaction page

Evidence Brief

Get supplement timing and safety notes as they ship.

Monthly evidence briefs. No hype, no disease claims, no influencer supplement stacks.

These statements have not been evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease. Generated by AI. Always verify with a healthcare professional. Educational information only. Not a substitute for professional medical advice.