low potassium after b12 injections issues: Fact or fiction? Has anyone actually had hypokalemia diagnosed via blood test supplements/injections? : r/B12_Deficiency Compounded Cyanocobalamin (Vitamin B12) Injection
Description
The net result is a shift toward fat oxidation rather than fat storage

Berlin H, Berlin R, Brante G (1968) ORAL Treatment of pernicious anemia with high doses of vitamin B12 without intrinsic factor

I don't doubt in the least that juanpablo is suffering from something, but I'd be surprised if B12 had anything to do with it

Injections offer nearly 100% bioavailability, sending the vitamins directly where they are needed

[5] Disclaimer: The products mentioned are not intended for human or animal consumption
