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PMID 11470726

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Recommended B12 Dosing and Timing During GLP-1 Treatment For patients on semaglutide, typical B12 supplementation recommendations include intramuscular injections of 1,000 mcg monthly, sublingual lozenges at 1,000-2,000 mcg daily, or oral supplements at 2,000 mcg or higher daily

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Vitamin B12 helps in the manufacture of red blood cells

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