vit b12 injection uses Sandoz Vitamin Injectable Solution - 1000 mcg/10 mL Vitamin B12 for Injection Cyanocobalamin
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He did for awhile, then I got nervous about it and made him stop

Mitochondrial Influence: May affect oxidative-phosphorylation efficiency or substrate preference in cellular metabolism

Ive had it carried out by both Austin and Lewis, who are both very knowledgeable, putting me at ease right away
European Public Assessment Report (EPAR): Scientific Discussion (Cyanokit)

According to a previous study, the growth of SARS-CoV-2, MERS-CoV, and 229E-HCV was suppressed in vitro by cyanocobalamin, methylcobalamin, and hydroxocobalamin, which are three distinct forms of vitamin B12 [57]

Higher NAD enhances SIRT1 activity, promoting fat oxidation and mitochondrial remodeling via PGC-1 pathwaysmechanisms consistent with improved endurance and recovery potential (Cant et al., Cell Metabolism
