is b12 injection im or subq Vitamin Sites: All You Need to Know A Guide to the Best

Common and Systemic Side Effects Gastrointestinal Issues: The most common side effect of oral supplementation is mild, transient gastrointestinal (GI) discomfort, which can include mild bloating, cramping, loose stools, or general stomach upset

With an oral supplement, the B12 needs to be absorbed through your digestive system first before getting to your blood, which takes a lot longer

This vitamin is present in dairy products, liver, fish, and meat

The absence of safety data in these populations means that use should be avoided or approached with extreme caution and specialized medical supervision

However, many plant-based foods are fortified with vitamin B12, including some types of plant-based milk, breakfast cereals, and nutritional yeast

Add 5.0 mL bacteriostatic water to one 500 mg vial 100 mg/mL , a convenient dilution where 1 unit = 1 mg on a U-100 syringe