wheres the best place to inject b12 Vitamin Injection Sites: Where B12 · PA Relief Vitamin B12 Injections
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In mitochondria [edit] The metabolism of propionyl-CoA occurs in the mitochondria and requires Vitamin B 12 (as adenosylcobalamin) to make succinyl-CoA

That matters a lot for people who struggle to absorb B12 through food or oral supplements

PubMed Heffernan, M.A., Thorburn, A.W., Fam, B., Summers, R., Conway-Campbell, B., Waters, M.J., & Ng, F.M

AOD 9604 is generally considered well-tolerated, but like any therapy, it may come with side effects
Two brand names exist for the same molecule