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While this interaction primarily affects dietary B12 absorption rather than injected cyanocobalamin, patients on long-term acid suppression therapy may have depleted B12 stores that require consideration when initiating treatment
Tirzepatide represents a dual agonist, activating both GLP-1 and glucose-dependent insulinotropic polypeptide (GIP) receptors, which may explain its particularly robust weight loss effects
Last updated: April 1, 2026 If you have been feeling unusually tired this spring or wondering whether a vitamin B12 injection might be the answer, you are not alone
Getting both right is what separates a defensible treatment from a complaint waiting to happen
They work best alongside a balanced diet and regular movement
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