b12 drops vs injection The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine B12 Injections vs Oral Supplements:

B12 shots are typically good for 24 hours once they are drawn up and prepared for injection, as light exposure can degrade the potency of the medication

For researchers interested in body recomposition rather than just weight loss, these properties are particularly valuable

Neurological symptoms may start improving within 12 weeks, but longstanding complications can require 36 months of treatment, with some damage potentially irreversible

Complements weight-loss efforts The injections do not directly burn fat on their own, but they enhance metabolic efficiency, support energy levels, and help your body process fats more effectively