aching arm after b12 injection Vitamin site red and itchy : r/AskDocs b12 painful injection why does

Neelakantan and colleagues (Biochem Pharmacol, 2018) reported that 1-methylquinolinium and 1-methylnicotinamide showed no measurable passive diffusion in their assays, whereas 5-amino-1MQ crossed by both passive and active routes with no detectable efflux in Caco-2 cells, and lowered intracellular 1-methylnicotinamide in differentiated 3T3-L1 adipocytes with an EC near 2.3 M

Patients may be asked about: Medical history Current medications Symptoms Previous vitamin B12 treatment Existing health conditions The injection itself is typically administered by a trained healthcare professional in a clinical setting

PubMed, Thompson, Jon S

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