Cyanocobalamin is a synthetic compound that does not occur in nature
Multiple human studies have confirmed zero impact on fasting glucose, insulin, HbA1c, or IGF-1 levels (Thompson et al., 2004)
The carnitine acylcarnitine translocase is located in the inner mitochondrial membrane where it facilitates acylcarnitine transport across the outer and inner mitochondrial membranes in exchange for free carnitine
8 A case-control study that compared 25,956 patients who had vitamin B 12 deficiency with 184,199 control patients found a significantly increased risk of vitamin B 12 deficiency in patients who had taken proton pump inhibitors (odds ratio = 1.65) or histamine H 2 blockers (odds ratio = 1.25) for at least two years
Because B12 deficiency (which is pretty common, actually) affects your brain, vision, skin, and energy levels