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Smoking is a potential risk factor for regular use of high-dose vitamin B12 supplements as hepatic tumorigenesis may be promoted
and Isabelle Raymond, PhD
It's involved in the synthesis of myelin, which is the protective coating around the nerves
Each injection should contain at least 5,000 mcg of pharmaceutical-grade methylcobalamin to be effective, and most patients notice improvements in energy, sleep, and mood within weeks of starting proper B12 therapy
a neurologist later told me B12 deficiency explained both
What are the different administration routes for vitamin B12 injections
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