GP400 (Magnesium oxide 400 mg)
Pill imprint GP400 has been identified as Magnesium oxide 400 mg.
Magnesium oxide is used in the treatment of constipation; hypomagnesemia; gerd; pathological hypersecretory disorder; urinary tract stones (and more), and belongs to the drug class minerals and electrolytes. Risk cannot be ruled out during pregnancy. Magnesium oxide 400 mg is not subject to the Controlled Substances Act.
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