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Vitamin B12 is obtained through food sources such as beef, liver, chicken, fish (trout, salmon, tuna, clams), fortified breakfast cereals, lowfat dairy products, and eggs
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Metformin, widely prescribed for type 2 diabetes, can impair B12 absorption through effects on calcium-dependent ileal uptake
lkare (Socialstyrelsen) Verksamhetschef, Viktenheten Kompetens: Obesitasmedicin Medicinskt granskad: 4 juni 2026 Medicinsk information, inte lkemedelsreklam Artikeln r utbildande och erstter inte individuell vrd
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