Dizziness: Some people may feel lightheaded or dizzy after receiving a B12 injection
It also contains sodium chloride 9.0mg and 1N acetic acid, and water
These are all things patients attribute to being busy, getting older, or the weight loss process itself
Thus, while there was not much evidence of allergic reactions, B vitamins may have been linked to some worrying side effects, including weight gain and ED
It is not intended to be a substitute for professional medical advice, diagnosis, or treatment
I tested 11 vitamin B12 supplements and evaluated them on the following factors: Formulation: I included both natural and synthetic forms of vitamin B12, with a focus on single-nutrient supplements though I also tested a few B complex options