In short, taking B12 and iron together can be good, but knowing the risks and how to avoid them is important
Alternate between your abdomen, thigh, and upper arm to reduce irritation and allow each site to recover
A lack of vitamin B12 doesnt directly lead to weight gain, however, so getting a B12 injection alone wont cause you to lose weight no matter how many times your doctor calls the injection a skinny shot
This ensures your body gets the full dose right away, leading to a more noticeable and immediate improvement in your energy and overall sense of well-being
The vastus lateralis (outer thigh) is the most commonly recommended site for self-injection because it is easy to see, easy to stabilize, and low-risk
Its molecular formula is C 78 H 123 N 23 O 23 S 2 , and it has a molecular weight of approximately 1815.12 g/mol