And safety data across all human trials was excellent
In fact, up to 88% of people on plant-based diets may lack adequate serum vitamin B12 levels
As the However, while risks of severe toxicity are low, some side effects are still possible, such as: temporary symptoms, such as itching, swelling, or diarrhea allergic reaction damage from the injection hypokalemia, or low potassium levels infection negative interactions with certain medications, such as: metformin (Fortamet, Glucophage, Riomet) medications to reduce gastric acid, such as proton pump inhibitors or H2 receptor antagonists Always talk with a doctor before using vitamin B12 supplements
B12 injections are also popular among patients who are not deficient but want the energy and cognitive benefits that come from optimizing their B12 levels
These quick, medical provider-guided treatments can give you the boost you need to feel your best every day