Mineral
Magnesium Oxide
Magnesium oxide is an inorganic compound of magnesium and oxygen. It packs a lot of magnesium per gram and is used in supplements, antacids and laxatives.
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
Every rating with its studiesGrouped by health goal, with the publications behind each rating
Key studies
The most recent publications linked to Magnesium Oxide's ratings.
Association of dietary magnesium intake with chronic constipation among US adults: Evidence from the National Health and Nutrition Examination Survey2021Magnesium Oxide in Constipation2021Senna Versus Magnesium Oxide for the Treatment of Chronic Constipation: A Randomized, Placebo-Controlled Trial.2020
Why people take it
Essential Health20%
Bone & Joint12.7%
Energy12.5%
Sleep8.8%
Cardiovascular7.7%
Stress & Mood7.1%
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Magnesium Aspartate
Magnesium Glycinate
Magnesium Citrate
Magnesium Sulfate
Magnesium Malate
Magnesium