A recent systematic review (Vasireddi et al., Am J Sports Med 2025) confirms the potential in sports medicine
Systemic injections : Subcutaneous or intramuscular, intended for overall circulation and recovery
A simple vitamin B12 deficiency test can give you answers, and the right treatment can get you back on track
Below we cover what B12 does, the signs of a deficiency to watch for, and when a B12 injection may be an appropriate part of treatment
Studies, including those published as recently as late 2025, indicate that this mechanism can lead to a reduction in fat cell size and proliferation, alongside an increase in resting metabolic rate
Vitamin B12 IV Infusion Dose Guidelines Following guidelines is key when giving B12 IV