Bloodwork is not required to book a B12 shot, but if you have it, we will look at it
This has also occurred in humans, such as iatrogenic Creutzfeld-Jakob disease (Brown et al., 2012), variant CJD in the context of bovine spongiform encephalopathy (Diack et al., 2014), Lewy body pathology spreading to transplanted fetal neurons (Li et al., 2008) and possibly even Alzheimers or cerebral amyloid pathology from injection with contaminated human growth hormone extracts (Purro et al., 2018
High levels are less common and typically stem from underlying medical conditions, such as liver disease, leukemia, or systemic lupus erythematosus (SLE)
* In Methemoglobinemia: Methylene Blue acts by reacting within RBC to form leukomethylene blue, which is a reducing agent of oxidized hemoglobin converting the ferric ion (fe+++) back to its oxygen-carrying ferrous state(fe++)
Antiplatelet effect of capsaicin