b12 injections for humans Vitamin (Cyanocobalamin Injections) — Mountainside Medical 10 Benefits of Vitamin B12

Side effects are rare but may include mild soreness at the injection site

Anaphylaxis: Rare cases of anaphylaxis have been reported following injection

Diet and lifestyle : Vegans, vegetarians, and those with low animal protein intake may metabolize B12 differently

Many people take oral or sublingual tablets, but they may not always be effective especially if absorption is poor

But ultimately it probably doesnt matter: The cat got friskier, Reed didnt catch a cold, and I had more energyall after receiving big red shots

It is also worth being explicit about what documented means here, because it is the load-bearing word for a YMYL page