b12 injections are used for Compounded Cyanocobalamin (Vitamin B12) Injection Are B12 Shots Safe? Royal

Much of the research framing treats it as an orally administered compound, and in practitioner circles it circulates in oral/sublingual forms (capsules, or the reconstituted solution taken sublingually)

Turn the vial upside down so when you puncture the rubber membrane the needle is pointing up

No established optimal cycling protocol exists in humans

Interestingly, research has shown that even in animals lacking beta-3 adrenergic receptors, acute AOD-9604 administration still increased energy expenditure and fat oxidation, suggesting additional metabolic pathways may be involved beyond the primary beta-3 receptor mechanism

See Below

Store refrigerated at 28 C in a dry, dark environment to support compound stability