which needle for b12 injection Self-injecting vitamin B12. Quick and painless jabs after a B12… | by Dr Caroline Palmer what needle to use for

Comparing options with your provider makes sense if side effects or concerns arise

Another subtle mistake is relaxing the muscle incorrectly: for an intramuscular injection, you want the target muscle loose, not flexed, because a tense muscle resists the needle and amplifies pain

Our observation that intracellular NA concentrations did not increase following NNMT inhibition extends previous studies that showed NA concentrations were largely unaffected following NNMT knockdown with either adenovirus[39] or anti-sense oligonucleotides (ASOs).[12] It is possible that significant accumulation of NA in adipocytes (and other tissues) is prevented by rapid conversion of NA to NMN and subsequent NAD + synthesis or transport to the extracellular environment.[27] Importantly, NNMT inhibition potentiated the absolute intracellular concentrations of NAD + and SAM, without altering the levels of NA and SAH in the adipocytes

Langan RC & Zawistoski KJ, Am Fam Physician 2011 Vitamin B12 deficiency overview

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