Regulatory guidance from the Food & Drug Administration (FDA) and WHO emphasizes that proper aseptic technique, storage procedures, environmental controls, and documentation practices remain essential regardless of the presence of preservatives
Migraines Although there is no concrete research forging a direct link between migraines and B12 injections, those with migraines can benefit from Vitamin B12 injections since high Vitamin B12 levels can help with high levels of homocysteine, and thus, reduce the intensity of the migraine
Before continuing the B12, I would recommend getting your B12 level tested with your doctor
Reduced secretion of gastric acid and pepsin, from the use of H 2 blocker or proton-pump inhibitor (PPI) drugs, can reduce the absorption of protein-bound (dietary) vitamin B 12 , although not of supplemental vitamin B 12
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