b12 neurobion injection Forte Vitamin Methylcobalamin B6 B2 Niacin Liquid Shots Daily Energy & Nervous System Support Complex Easy Oral Drinkable10 Vials : Health & Household Neurobion injection-Composition,Uses, Dose,Contraindications - YouTube

In particular, when homocysteine attached to a protein called syntaxin 17, it blocked the protein from performing its role of transporting and digesting fat (known as autophagy, an essential cellular process by which cells remove malformed proteins or damaged organelles) in fatty acid metabolism, mitochondrial turnover, and inflammation prevention

2, 2014 Bettoli V, Zauli S, Montis A, Ruina G, Virgili A

Protocols describe swirling gently rather than shaking

In short: B12 shots are used because they deliver vitamin B12 faster, more reliably, and more efficiently than oral supplements, especially if you have an absorption issue