What amount of elemental magnesium is absorbed after oral ingestion of 400 mg magnesium oxide in an adult? | Rounds What amount of elemental magnesium is absorbed after oral ingestion of 400 mg magnesium oxide in an adult? | Rounds
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What amount of elemental magnesium is absorbed after oral ingestion of 400 mg magnesium oxide in an adult?

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Elemental magnesium absorption from magnesium oxide

Oral magnesium oxide has low fractional absorption (approximately 4%). RTI description of bioavailability study

Elemental magnesium dose in a 400 mg magnesium oxide product

A 400 mg magnesium oxide product is equivalent to approximately 240 mg elemental magnesium. [1]

Absorbed elemental magnesium after a 400 mg magnesium oxide dose

Absorbed elemental magnesium is approximately 9.6 mg (calculated as 240 mg × 0.04). RTI description of ~4% fractional absorption [1]

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