Methylcobalamin pairs well with hydration drips and other nutrient injections depending on your goals
Without it, the rest of your routine doesnt stand a chance
The stability of tight junctions between endothelial cells is guaranteed by interactions with pericytes (Jo et al., 2013), and by Wnt proteins, vascular Endothelial Growth Factor (VEGF), and Transforming Growth Factor- (TGF-), released by astrocytes (Gurit et al., 2021
(PubMed) Evans JL, Heymann CJ, Goldfine ID, Gavin LA
Across most animal and human studies, two primary routes dominate [1]: Subcutaneous injection : Used in numerous rodent studies (typically 0.110 g/mouse/day) and in human trials (commonly 0.51 mg/day), especially in circadian and immune studies