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Magnesium Citrate

An ionic magnesium salt highly bioavailable for systemic replenishment, frequently utilized for its mild osmotic laxative effect.

Evidence-Based
Fact-Checked
Updated: Oct 24, 2026
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Clinical Profile

Quick Reference

Scientific Rating
4.5
/ 5.0
Standardized Form
Magnesium Citrate Powder or Capsules

Magnesium citrate is one of the most widely used and bioavailable forms of magnesium. Because citric acid is a relatively large molecule, it draws water into the intestines, giving this form a mild to moderate osmotic laxative effect. It is clinically utilized to safely relieve occasional constipation while simultaneously correcting systemic magnesium deficiencies, making it ideal for individuals needing both bowel and muscular support.

Clinical Summary

Clinically supported for general magnesium deficiency and highly effective as a gentle osmotic laxative.

Dosage Guidelines

200mg to 400mg daily. Higher doses are used specifically for laxative purposes.

Safety & Side Effects

Can cause loose stools or diarrhea, particularly if dosed over 400mg at once.

Known Interactions

Can bind to certain antibiotics (tetracyclines, quinolones) in the gut, reducing their absorption.

Scientific References

Medical Disclaimer

The information provided in this clinical review is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

*These statements have not been evaluated by the Food and Drug Administration (FDA). This product or ingredient is not intended to diagnose, treat, cure, or prevent any disease.

Always consult your physician or other qualified health provider with any questions you may have regarding a medical condition, or before beginning any new diet, fitness, supplement, or treatment regimen, especially if you have pre-existing medical conditions or are taking prescribed medications.

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