Insider's takeaway Vitamin B12 injections are for those with a severe B12 deficiency or conditions that prevent their body from effectively absorbing the vitamin, Moreno says
Take one daily (adenosylcobalamin and hydroxycobalamin 50/50%, 2000 mcg per capsule)
For intramuscular injection, stretch the skin taut and insert the needle at 90 degrees into the muscle
Factors that Affect How Long Vitamin B12 Shots Stay In the Body No Vitamin B12 Deficiency If you dont have a vitamin B12 deficiency, most of the vitamin B12 you get through your injection will be absorbed and eliminated quickly through your urine
As you age, taking Vitamin B12 supplements is a good idea for many men
Containing hydroxocobalamin and cyanocobalamin, HY-B12 provides rapid absorption, effective supplementation, and improved animal health, making it ideal for boosting productivity and wellbeing in livestock