How Long Does It Take for Vitamin B12 to Work? Simple Guide Vitamin b12 in women: Dangerous ways low vitamin B12 level affects women Times of India Compounded Hydroxocobalamin (Vitamin B12) Injection B12 Injections The Ultimate Boost? ABL Medical Aesthetics Vitamin B 12 intramuscular injections are also used therapeutically to help restore energy and combat various symptoms related to such deficiencies. Vitamin B 12 is essential to the development of healthy blood cells, nerve