Cyanocobalamin is a man-made form of Vitamin B12 and is the most commonly used in supplements and fortified foods
The standard initial loading dose is 1,000 mcg administered intramuscularly (IM) once weekly for 4 weeks
Egras AM, Hamilton WR, Lenz TL, Monaghan MS
Research shows the compound can induce fat loss without affecting food intake, giving researchers a tool to study metabolic rate independent of appetite mechanisms
However, a course of injections particularly the course of 12, structured as once weekly for six weeks followed by monthly maintenance builds and maintains consistently higher B12 levels over time
Testing for vitamin B12 or folate deficiency is not routinely included in blood work ordered at an annual physical exam