medicine b12 injection Vitamin Dosage for Adults: Guidelines Vitamin B12 Injections: The Key
Description
Faster nutrient absorption compared to oral intake

Patients report less burning with a subcutaneous administration, which gives it a slight advantage over an intramuscular injection, according to the CDC

Severe lack can lead to anemia , digestive issues, and brain damage

Schlipf T., Klinikum Winnenden, Department of Psychiatry and Psychotherapy

Moreover, alcoholics may experience reduced intestinal absorption of vitamin B 12 (2), and individuals with acquired immunodeficiency syndrome (AIDS) appear to be at increased risk of deficiency, possibly related to a failure of the IF-B 12 receptor to take up the IF-B 12 complex (3)
