does b12 injection work instantly How Quickly Shot Work? Does It Help to Lose Weight? The Truth About B12 Injections:

Vitamin B12 deficiency can also cause symptoms that affect the brain and nervous system (neurologic symptoms), including: Numbness Muscle weakness Mental health problems, ranging from mild depression or anxiety to confusion and dementia Balance and coordination issues Needles and pins Incontinence What is the best form of vitamin B12 to take

Its almost like you can eat anything you want and you literally will not gain body fat

Sufficient levels of vitamin B12 in the body help to increase energy levels, and overall brain function, support a healthy metabolism, encourage better moods, and even support weight loss

Energy improvements often appear within 24-48 hours of injection, whereas oral supplements may require weeks of consistent use before effects become apparent