vitamin b12 injections side effects skin What are the of B12? why do you have b12

Signs of vitamin B12 deficiency can take quite some time to appear and, upon doing so, appear in a subtle fashion

2017 Sep 15;96(6):3849

Conditions like pernicious anaemia (an autoimmune disorder where your body cant absorb B12 from food), certain stomach conditions, medications that reduce stomach acid, or even gastrointestinal surgeries (like weight loss surgery) can prevent your body from properly taking in B12, even if youre getting enough in your diet

They usually last 30 minutes to an hour

How to be rational in practice

These shots in conjunction with a low-caloric diet and exercise can give you an extra edge