is sublingual b12 as effective as injections Efficacy of different routes of vitamin supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis Oral vs. Intramuscular Vitamin B12
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Women and men with absorption disorders also cant properly absorb and process it
10.1152/physrev.00035.2007 [DOI] [PubMed] [Google Scholar] 23.Liu Q, Graeff R, Kriksunov IA, Jiang H, Zhang B, Oppenheimer N, et al
They're less susceptible to degradation from environmental factors once packaged
Research In addition to capsules, vitamin B12 supplements are also available as liquid drops or a nasal spray
C57BL/6J mice were obtained from Janvier labs (France)
