where do you inject b12 injections Injecting B12 vitamin Store A Retired

Possible Side Effects Mild side effects of Vitamin B12 may include: ( 12 ) Mild pain, itching, or swelling at the injection site Temporary nausea or headache Mild diarrhea Hot flashes Vomiting These side effects do not affect all patients and are generally temporary and mild While rare, more serious side effects of Vitamin B12 injections can include ( 12 ): Irregular heartbeat Heart palpitations Hives or skin rash If you notice any severe reactions to a Vitamin B12 shot, contact a medical professional immediately

The Yellow Card scheme: guidance for healthcare professionals, patients and the public

Furthermore, oral supplements have to get through the digestive system first, so your body only absorbs a small portion of the available vitamins

Individuals with Poor Absorption: People with low stomach acid, or those who have had certain surgeries (like gastric bypass), may struggle to absorb B12 from food and would benefit from injections