where is the b12 injection given Treating Severe Vitamin Deficiency B12 Shot: Step-by-Step Guide for
Description
Increased NEFAs in cells compete with glucose for substrate oxidation, thus resulting in the inhibition of pyruvate dehydrogenase, phosphofructokinase, and hexokinase II [8]
Side effects like nausea, vomiting, and gastrointestinal discomfort are common

I am coming up to 10 weeks since my first lot of symptoms from the shot

B12 THERAPIES: PILLS Additional B12 is also available as an orally-swallowed supplement

That enzyme is NNMT, nicotinamide N-methyltransferase