b12 deficiency injections or tablets vs Oral Supplements: Which are more effective? B12 Injections vs. Oral Supplements:

Hydroxycobalamin injections are also considered safe and effective for individuals with cyanide toxicity, as the hydroxycobalamin molecule has a high affinity for cyanide and can bind to it, converting it into a less toxic form that can be excreted by the body

The compound has since been studied in cartilage and osteoarthritis research and remains in active use as a research tool for investigating 3-AR-mediated lipid metabolism

Needles and syringes are not included

For humans, self-production of B12 through the intestinal bacteria is theoretically possible, but rarely achieved for health reasons, which is why humans today depend on a dietary intake of B12 in almost all cases