what is down side of b12 injections Shots at Home: How, Where & How Often to Inject Yourself Vitamin B12 Injections: Hot Shots?

This is especially important for people at risk for multiple deficiencies, including those with GI conditions, a history of gastric bypass surgery, impaired kidney function, older adults, and people taking PPIs

insert the needle at 4590 into subcutaneous tissue [10] [11]

There are several studies that indicate it may help promote collagen production and improve skin appearance

Injectable vitamin B12, which can treat significant deficiencies, can cause the following common side effects: mild diarrhea Itching headache dizziness nausea vomiting hot flashes More serious side effects of vitamin B12 injections may include: Irregular heartbeat Heart palpitations Hives or skin rash In rare cases, it can cause severe allergic reactions or anaphylaxis