Benefits of B12 shots Vitamin B12 plays a foundational role in how your body produces energy, supports the nervous system, and maintains overall cellular health
At first glance, it may seem like higher oral doses would work better, but evidence suggests that is not always true
Some patients report it as a less painful alternative because the needle that goes into the fatty tissue just below the skin is thinner and shorter, usually one-half to five-eighths of an inch long
Allergic reactions to B12 shots are rare, Foxx notes, but they can occur
Bone health monitoring Rapid weight loss from any cause, including GLP-1 therapy, can accelerate bone density loss, particularly in postmenopausal women