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Efficacy of oral compared with intramuscular vitamin B-12 supplementation after Roux-en-Y gastric bypass: a randomized controlled trial
Vitamin B12 Injections for Pernicious Anaemia: UK Treatment Guide Pernicious anaemia is an autoimmune condition that prevents the body from absorbing vitamin B12 due to a lack of intrinsic factor, a protein essential for B12 uptake in the gut
Maybe retatrutide becomes available and you want to try the triple agonist
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