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Small observational studies have reported modest weight loss, but these typically lack adequate controls for dietary modification, exercise, and placebo effects
What are vitamin B12 injections and how do they work
Discussion Significance of the study To our knowledge, this is the most comprehensive network meta-analysis comparing the efficacy of SL, IM, and oral routes of administration of vitamin B12 in patients with vitamin B12 deficiency
Drug/Laboratory Test Interactions: Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B 12 diagnostic blood assays
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