It is for this reason that the latter is not routinely available on the NHS and hydroxocobalamin is the preferred treatment
But- It may, again, may, we don't know, have some safety issues that still need to be resolved, making Sirmirelin and Tesamirelin, at least to my mind, better options should you decide to go down this path
A comprehensive review of Rubia cordifolia L.: traditional uses, phytochemistry, pharmacological activities, and clinical applications
Aging impaired phagocytosis in tissue-resident peritoneal macrophages but not in bone marrow-derived macrophages or monocytes (Linehan et al., 2014)
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