If you have a low vitamin B12 level, injections can go a long way toward improving your health and well being. But if your B12 level is normal, don't fall for claims that It might not be your lifestyle it could be a B12 deficiency. B12 is essential for energy, mood, and overall wellness and when levels are low, your body feels it. Our Benefits of B12 Injections Clinic Poster Etsy B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics B12 Shots Dosage for Adults: How Much, How Often, and Key Injection Guidelines Liv Hospital