b12 injection vs supplement Surgo Surgical Supply-Newmarket B12 Injection vs. Oral Supplements:

IM Injection Protocols for Pernicious Anemia Intramuscular (IM) shots are a common way to give vitamin B12 to those with pernicious anemia

How Vitamin B12 Shots work

Other conditions that might need B12 shots include: Crohns disease Celiac disease Gastric bypass surgery Pancreatitis These issues can stop the body from getting enough B12

Keep out of the reach of children

The commercial manufacturing of the vitamin is done through bacterial fermentation

Side effects to tell your doctor about immediately are skin rashes, itching, hives, swelling of the tongue, lips, or face, blueish skin, chest tightness or pain, trouble breathing, wheezing, dizziness, or red, swollen, painful area on a leg (via the Cleveland Clinic)