Compound Library

Supplement / Vitamins

Magnesium Glycinate

Highly bioavailable magnesium form. Deficiency extremely common and linked to muscle cramps, poor sleep, cardiovascular disease, and low testosterone. Glycinate form causes less GI upset than oxide or citrate forms.

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Educational reference only. This page does not diagnose, prescribe, or replace care from a licensed professional. Laws, availability, and clinical appropriateness vary by location.
Reference dose200–400 mg elemental magnesium at bedtime
Half-life24 hours
Risk flaglow
Regulatory noteReview required

Side effects and watch-outs

  • Diarrhoea at high doses (less than oxide form)
  • Drowsiness (beneficial when taken at bedtime)
  • Nausea
  • Rare: hypermagnesaemia in kidney disease — caution with renal impairment
  • Generally very safe and often deficient in most diets