However, there is no strong scientific evidence to suggest that B12 injections directly lead to increased fat burn or significantly impact metabolism for people who are not deficient
pediatric and intranasal regimens are detailed in specialized dosing references and should be individualized
Nature 583 (7816), 441446
In addition, other tissue metabolism also has obstacles, such as nervous system damage
While B12 is naturally found in animal products like meat, dairy, and eggs, many people struggle to get enough from diet alone
A more individualized response-based approach monitors body composition changes and continues therapy as long as positive progress occurs, adjusting or pausing when plateaus develop or goals are achieved