b12 thigh injection site How to Use These 4 IM Spots Safely Where to Inject Vitamin B12

Instead of B12, the propionibacterium then synthesises porphyrin, which can trigger an inflammatory reaction in the skin cells that ultimately leads to acne

I didnt know better and I couldnt figure out why I suffered such a setback in my recovery until a pharmacist questioned how long I was using the vials when she noticed I was going months without filling my Rx

References Misra M

Vitamin B12 injection should be administered only under the recommendation and guidance of a medical professional and they should be aware of complete medical history including any conditions such as hypokalemia, polycythemia vera, gout, Lebers disease, iron and/or folic acid deficiency

At that point, recovery is unreliable, and the batch often has to be discarded