Sterile water lacks the preservative (benzyl alcohol) found in bacteriostatic water, meaning bacteria can grow after the first puncture
Injections have better bioavailability than oral supplements as they bypass the digestive system completely, providing a direct supply of B12 into the bloodstream to fuel your body
However, the risk increases during transition age and adulthood follow-up, especially when other risk factors coexist [300]
Easy accessibility: You can easily see and reach the injection site
Bacteriostatic water and other bacteriostatic solutions are widely used in research and clinical settings, but the 0.9% benzyl alcohol component is contraindicated for neonates and may cause adverse effects in very young infants and certain sensitive populations
Central and peripheral nervous system models in rats covering traumatic injury, stroke, and peripheral nerve transection, with cell-survival and tract-tracing endpoints