b12 injections in bend or No.1 IM Injection Best Vitamin B12 Injection Site:
Description
However, complete symptom resolution, particularly for neurological complications, may take several weeks to months depending on the severity and duration of deficiency before treatment

Int J Drug Deliv 4 Pawar PP, Ghorpade HS, Kokane BA (2018) Sublingual route for systemic drug delivery

After 2 sessions my shoulder pain disappeared
These effects may translate into improved muscle recovery , reduced fatigue , and better performance , although human studies are still lacking and most data come from preclinical models (Ulanovskaya OA, 2013)

Dosage: 2 mg daily via subcutaneous injection
