b12 & lipotropic injections Lipotronic Injection The purpose of the our Lipotroic and Vitamin B12 injections is to improve energy levels Lipotropic Injections for Fat Metabolism
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doi: 10.1002/mds.20124 [DOI] [PubMed] [Google Scholar] 43.Asser A, Taba P

It also states this applies to ads for all vitamin shot products, not just vitamin D or vitamin B12

Scientific References Side effects of cyanocobalamin

Vitamin B-Complex includes a group of essential B vitamins (such as B1, B6, and B12) that support energy, brain function, and metabolism

Additional biochemical assays were used to test the ability of compounds to inhibit nicotinamide phosphoribosyl transferase (NAMPT) and NAD + -dependent protein deacetylase sirtuin 1 (SIRT1), two enzymes in the NAD + biosynthesis/salvage pathway
