Compounded Hydroxocobalamin (Vitamin B12) Injection Unexpected Skin Changes? Could It Be B Deficiency? A patient presented with unexplained skin hyperpigmentation as the primary symptom. Surprisingly, the underlying cause turned out to be vitamin B deficiency. This case B12 Injections Boost your energy. Sharpen your focus. Elevate your mood. Say hello to Vitamin B12 injections your secret weapon for: All day energy Better focus & mental Fun Fact Friday! Ever wondered Why is my B12 injection red? All B12s are cobalamins they have a cobalt atom at the center of a special ring shaped molecule called