how long after vitamin b12 injections take to work Injection in Luton Vitamin B12 Injections and Weight

Curr Med Sci

Keatley adds that since we don't produce B12 on our own, we have to get it from our diets

This water-soluble vitamin is essential for DNA synthesis, red blood cell formation, and proper neurological function

[1] Other rare side effects noted (mostly in older literature or high-dose use) include: polycythemia vera and peripheral vascular thrombosis in patients receiving repeated injections (though these associations are not well understood, they were listed in prior product literature as possible adverse events)

So, if you see yellow, give yourself a pat on the back it means your body is doing exactly what it should