b12 injection. Do You Need a Prescription for Injections? Is it important for my dog or cat to finish all of the Cyanocobalamin (Vitamin B12) Injection B12 Injections for Weight Loss
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The answer depends on the underlying cause of deficiency and individual absorption capacity

However, call your doctor if the soreness worsens or lasts more than 2-3 days

And if you're allergic to cobalt, B12 injections aren't for you

WADA specifies in its S0 clause that any pharmacological substance without regulatory approval for human use is banned at all times in sport (World Anti-Doping Agency)

26 This may be due in part to age-related changes in cochlear structures and nerve function and connectivity
