Magnesium hydroxide (Milk of Magnesia)
Antacid / osmotic laxative. Neutralizes acid or acts as an osmotic laxative. Limited absorption when used normally. No direct brain effect — does not cross the blood–brain barrier.
Benefits
An osmotic laxative and antacid that relieves constipation and heartburn.
Risks
Can cause diarrhea and electrolyte shifts, with dangerous magnesium buildup in kidney disease. Not intended for long-term constipation management.
Informational only — not medical advice.
Body systems
Organs
Where to buy
Popular Magnesium hydroxide (Milk of Magnesia) products on Amazon. Not medical advice — talk to a clinician before starting a supplement.
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Research (4)
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