hit a vein while injecting b12 What causes straight line bruise from injection? I think I hit a
Description
This is because there are few vegan foods that contain B12 and also because the body finds it significantly more difficult to absorb B12 from the few vegan sources that have it

Use with caution if you have liver disease or regularly drink alcohol
Many growth factors show similar patterns where optimal stimulation occurs within a narrow concentration window, and excess amounts trigger inhibitory feedback

Boonen S, Rosen C, Bouillon R, Sommer A, McKay M, Rosen D, Adams S, Broos P, Lenaerts J, Raus J, Vanderschueren D, Geusens P
