why get vitamin b12 injection The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Vitamin B12 Injections in Greater

I know there are quite a few variables with oral bioavailability, but assuming taken fasted,

Mild side effects can include redness or swelling at the injection site, lightheadedness, or an upset stomach

Once the vitamin B12 reserves reach their normal levels, the injection of vitamin B12 will be needed as maintenance shot once every one to three months to prevent any of the symptoms of deficiency from returning

Apply Pressure : Post-Injection Care : Use a cotton ball or gauze to apply gentle pressure to the injection site for a few seconds

By taking Methylcobalamin B12 injections, you can help prevent B12 deficiency, which can lead to symptoms like fatigue, weakness, and cognitive impairments