Randomized Trialhigh evidence
Enteral When Compared With IV Magnesium Replacement in the Critically Ill: A Noninferiority Randomized Clinical Trial.
Critical care medicine·June 1, 2026·PMID 42223327
Why it mattersEnteral magnesium offers substantial cost and environmental benefits without increasing adverse events, making it a viable option for resource-conscious ICU practice, though its efficacy in raising serum levels is slightly inferior.

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