do b12 injections cause headaches Can a Deficiency Make You Feel Like You're Dying? The Weird Connection Between B12

Had sort of assumed it was to do with risks of cross contamination but thinking about how others have described the process of doing an intra-muscular injection I think different sized needs are used to draw the fluid in to the syringe - probably a wider one - and then a finer one to inject

D., Mukherjee, A

Unlike fat-soluble vitamins, B12 is absorbed in the small intestine through a complex process that depends on intrinsic factora protein made in the stomach

Rotate your injection sites

Many people who receive B12 shots for weight loss notice they feel more motivated to exercise, experience better metabolic function, and see gradual improvements in fat loss