what's a b12 injection for Curious about shots? The Truth About B12 Injections:
Description
But what does U100 actually mean

This potent NNMT inhibitor is a primary tool for laboratory research into metabolic rate regulation, cellular energy homeostasis, and adipocyte signaling pathways
B12 reduces circulating levels of homocysteine, a compound linked to increased risk of heart attack and stroke

These injections improve fat metabolism by breaking down fat and removing fat deposits from the body