b12 injections pros and cons Are worth it? Vitamin B12 shots are openly advertised as a quick fix option to boost energy metabolism, and in some cases claim to help you to shed weight Vitamin B12 Injections | Energy

But that peripheral-only action means it does not suppress appetite, does not change energy expenditure through central pathways, and does not produce the dramatic caloric deficits that GLP-1 agonists like semaglutide or tirzepatide create

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Figure 3B shows network estimates of treatment effect on Hb levels for different administration routes compared to the oral route

Glucagon receptor activation increases thermogenesis and fat oxidation, boosting energy expenditure

B12 is water-soluble your body excretes what it doesnt use

Alternatively, enroll in a residential "special waste" program that will come pick up your needles