b12 up injection Vitamin Hydroxocobalamin – HAIM International or for certain illness or disease like anemia Cyanocobalamin Injection, 1000 mcg/mL 1mL
Description
This is a separate and still investigational line of research rather than an established use, and it should not be confused with the fat-loss mechanism that the bulk of the clinical work has focused on
Cold sensations during treatment are most likely linked to rapid weight loss and reduced caloric intake, both of which affect the body's ability to retain and generate heat

Who is B12 injection for

Folic acid supplementation in pregnancy, especially for those at high risk or with malabsorption
According to more realistic limits, nearly half of the population of all western industrialised nations are suffering from B12 deficiency

All of which indirectly limit weight loss capacity