Allergic reactions, such as a rash, itching, swelling, or redness, happen due to high vitamin dosage or as a response to the needle coating
This could ultimately lead you to lose some weight
Studies show that high vitamin B12 levels may be associated with a lower risk of having obesity, but, again, that doesnt mean that getting vitamin B12 shots will help you lose weight
And if your B12 levels are normal, getting B12 injections isnt going to do anything
But B12 shots themselves arent associated with weight loss
Some people pursue vitamin B12 shots because they believe that doing so will increase their energy levels