Magnesium oxide is a white solid oxide salt which is a source of magnesium. It is an organic compound which is often considered as a mineral supplement.
Look for the "best before" date on the label of Magnesium Oxide.
Magnesium oxide can cause diarrhea and cramping. It can also cause itching, skin rashes, mood swings, dizziness, weakness, nausea and vomiting.(2)
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