red around b12 injection site What will help with + mic Where to Inject Vitamin B12
Description
An endotoxin-free peptide helps ensure that observed experimental outcomes are attributable to the peptide itself rather than unintended immune or inflammatory responses caused by endotoxin contamination

Furthermore, it cannot be ruled out that hypersensitivity to tableted vitamin B12 may be caused by an allergy to the excipients used in the tablet formulation (e.g., polyethylene glycol

Certain breeds may be especially susceptible to vitamin B-12 deficiency
PMC 3847746
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