Common side effects of B12 injections These B12 effects tend to resolve on their own within a day or two: Injection site reaction, such as mild soreness, redness, or swelling Brief itching or warmth at the injection area A feeling of fullness or pressure in the muscle Mild headache or nausea shortly after the shot These reactions are typically related to the injection itself, not the vitamin
You should also inform your doctor right away in case you encounter any of the following serious side effects
Also, IM is not necessary at all, as B12 has a long, documented history of effective SQ delivery
Some lipotropic injections may not be suitable for everyone
Methylcobalamin is also contraindicated in patients with cobalt hypersensitivity because methylcobalamin contains cobalt
AHK-Cu is synthetic and was designed specifically for hair and scalp applications