According to a While B12 shots are necessary for some people who cannot absorb the vitamin in other ways, they have some risks and side effects
To inject correctly, use a sterile needle and syringe
Other side effects that can occur include: Excessive sweat production Rapid weight gain Pain when breathing Shortness of breath when lying down Anxiety Increased or irregular heart rate Numbness, tingling or muscular weakness Increased thirst Urinary frequency B12 injections can also cause allergy symptoms immediately after administration, like difficulty breathing, a swollen throat, mouth, or swelling of the mouth, tongue or face
10.How To Self-inject Intramuscular Vitamin b1, b6, And b12 Injection
Researchers must carefully consider these pharmacokinetic challenges