does b12 have to be injected into muscle vitamin Store A Retired RN About Vitamin B12 Injections Vitamin B12 Supplements and Injections

Because the normal daily requirement for B12 is only about 2.4 mcg, this passive absorption is more than enough to keep your levels healthy and correct the deficiency [9] [10]

Established benefits of B12 therapy: Treatment of documented deficiency: Intramuscular hydroxocobalamin is the standard NHS treatment for pernicious anaemia and other causes of B12 deficiency, effectively reversing haematological and neurological complications

Your Overall Health Underlying health conditions, such as gastrointestinal disorders (like Crohns disease, celiac disease, or atrophic gastritis) that impair nutrient absorption, or certain medications you may be taking, can influence how your body absorbs and utilizes B12

Schiattarella GG, Rodolico D, Hill JA