oral vs injected b12 Efficacy of different routes of vitamin supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis Oral vitamin B12 versus intramuscular
Description
For observational studies reporting serum vitamin B12 levels, the certainty of evidence was upgraded from low to moderate due to the large and consistent magnitude of effect across studies, despite heterogeneity
Brand: GlaxoSmithKline
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Intrinsic factor production often decreases with aging
These are in addition to diabetes, autoimmune diseases, vascular diseases (such as Atherosclerosis or Peripheral Artery Disease), and vitamin deficiencies
