giving b12 injections at home - Safety Guide for Self-Administration B12 Shots at Home: NHS

When used as part of a comprehensive weight management program, B12 MIC shots for weight loss may lead to a weight loss of when combined with lifestyle changes

Bevilacqua, Arturo, and Mariano Bizzarri

Because of lack of renal clearance, serum values rose to more than a hundredfold from 422 pmol/L on average to 54 000 pmol/L, with 67 000 pmol/L as highest value, without side-effects

Without enough B12, you might face anemia, nerve issues, and heart disease risks

Rare but serious risks include pancreatitis, gallbladder disease, hypoglycemia, allergic reaction, and a specific thyroid tumor signal

More than half (52%) of those did not tell their doctor, researchers at the University of Manchester reported in the British Journal of General Practice