information sheet for cyanocobalamin b12 injectable Vitamin Injection5000 mcg/mL Sterile Solution Methylcobalamin is the active form

Summary: Vitamin B12 toxicity from supplementation is extremely rare, but persistently elevated serum levels may indicate underlying liver disease, kidney dysfunction, or haematological disorders requiring medical investigation

MIC B12 is generally safe when administered by licensed providers, but avoid if you have liver disease, kidney dysfunction, or bleeding disorders

For this reason, vitamin B12 is a common component of most prenatal vitamins and can also be found in many fortified foods

Well, anything that isnt listed above but do keep a watchful eye out for this type of B12: Cyanocobalamin Cyanocobalamin requires activation by the body and is not as readily available as the other forms listed above