[14] Contamination risks: Products not supplied through regulated channels may lack quality assurance, potentially containing contaminants or incorrect dosages
It can also be found in fortified foods (foods that have certain vitamins and nutrients added to them) such as certain cereals, bread and nutritional yeast
People who are suffering from a deficiency of vitamin B12 in the body are prescribed Methylcobalamin Injection which prevents megaloblastic anemia, fatigue, and tingling in the hands and feet
Navarro PC, Guerra A, Alvarez JG, Ortiz FJ
This provides 4 weeks between injections in the same area
Authoritative Sources For patient medication information, review MedlinePlus cyanocobalamin injection information