b12 injection medication name Methylcobalamin (Vitamin B12) Vitamin B12 Injection: Energy Boost
Description
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B12 Injections deliver this essential vitamin directly into your bloodstream, bypassing the digestive system for faster absorption

Those are legitimate reasons to offer them
NNMT uses up nicotinamide by tagging it with a methyl group (a process called methylation) and sending it out as waste

It is not scientifically proven that vitamin B-12 can reduce fat as other injectables do
