how to administer b12 injection to self Shots at Home: How, Where & Often Inject Yourself Ivy Grove Surgery : Self-administration

By purchasing this product, the buyer acknowledges and agrees that it is sold strictly for research and laboratory purposes only and understands the limitations of its intended use

[73] As noted above, the completely synthetic laboratory synthesis of B 12 was achieved by Robert Burns Woodward and Albert Eschenmoser in 1972, though this process has no commercial potential, requiring more than 70 steps and having a yield well below 0.01%

Vitamin B12 shots require a prescription from a physician

Stanley TL, Levitsky LL, Grinspoon SK, Misra M

(b) lack of effective statistical analysis

Severe allergic reactions, or anaphylaxis, are a risk with all vaccinations but are generally a rare occurrence