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They are used for patients with multiple deficiencies or specific needs
Common Misconceptions Future Research Directions Useful next steps identified across recent reviews include standardized pharmaceutical characterization, validated analytical methods, stability and excipient studies, reproducible pharmacokinetics, formal toxicology, independent replication, and adequately powered controlled human trials
bacteriostatic water explains the safety profiles clearly
So, we recommend using SL vitamin B12 rather than oral and IM, especially in patients who do not tolerate IM injection and patients who need prolonged vitamin B12 supplementation, such as patients with long-term metformin use and patients with pernicious anemia or with gastro-duodenal resection [51,52,53,54]
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