The Link Between Vitamin B12 and Weight Loss While Vitamin B12 isnt a magic weight loss solution, it plays a crucial role in your metabolism and energy production , both of which are key for effective and sustainable weight loss
Without neurological symptoms, around 3 injections over 2 to 3 weeks is standard
Eur J Immunol (2010) 37(1):S3445
You may also experience fatigue, nausea, diarrhea, joint pain, or water retention
Most injectable treatments can cause some swelling, redness, and potentially bruising, but these are very temporary and should subside within a few hours or days from the injection
Its presence is the only thing that makes a multi-use vial a viable concept in a research setting