methylcobalamin b12 injection handout Vitamin B-12 - Mobile and Clinic IV Therapy — ASAP IVs b12 Vitamin Injection Marketing Flyer

Its much higher than the daily need of 2.4 mcg for adults

Other possible causes of a vitamin B12 deficiency pernicious anemia prolonged use of certain medications, such as metformin following a strict vegan or vegetarian diet certain infections, such as with the tapeworm Diphyllobothrium latum celiac disease older age high intake of alcohol Other nutritional supplements may also benefit someone with Crohns disease

And if your B12 is already solidly in the optimal range, adding more on top of that does very little

7 This article provides an update on the management of adult patients with UC, including preventive care, with a focus on the role of the GP