b12 deficiency injection side effects Potential Vitamin Does the Vitamin B12 Shot

The injection is made into the muscle or beneath the skin

The most common thing you might notice is mild redness, tenderness, or slight swelling where the needle went in, and that usually settles quickly

Not the door, where temperature fluctuates with every opening

Additionally, since lipotropic injections often contain vitamins and minerals, theres a potential risk of developing imbalances or overloading the body with certain nutrients, leading to symptoms like fatigue or mood swings

FDA's 2024 review states the mechanism of action is still unknown, which limits how confidently any specific physiological effect can be predicted in humans