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Its important to note that vitamin B12 supplements can interact with certain medications and medical conditions, so its always a good idea to talk to your doctor before starting any new supplement regimen

The benzyl alcohol preservative can degrade certain sensitive compounds

Administering Vitamin B12 As an alternative to being injected with vitamin B12 for certain conditions, patients are sometimes offered B12 supplements to be taken orally or applied as nasal gels

Editorial methodology and conflicts of interest Research methodology

Cu II binding properties of N-truncated A peptides: in search of biological function