Although naturally present in many foods, it's also eaten as a dietary supplement
B12 injections are suitable for individuals who: Experience chronic fatigue or low energy
Its ideal for people with a deficiency, those who struggle to absorb B12 through food or supplements, or anyone looking for an energy boost after discussing whether its appropriate with a qualified practitioner
Preserve lean body mass because muscle is up to four times more metabolically active than white fat, meaning it burns more calories
While this provides body composition benefits including fat loss and muscle growth, it also affects glucose metabolism (often elevating blood sugar), increases IGF-1 (with implications for cell proliferation), and costs significantly more than AOD-9604
Vitamin B12 deficiency: Recognition and management Am Fam Physician