how to self administer b12 injection Where Should Vitamin Be Injected? A Real-World Guide Feeling Your Best Vitamin C and B12 Injection

doi:10.29245/2690-0009/2020/1.1110 Galloway M, Rushworth L

It is possible to experience various problems when you use the wrong needle size

Subcutaneous While less common, these injections are still an effective injection method where the needle is inserted just below the skin

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)

UK guidelines recommend monitoring clinical response and full blood count (typically at around 2 months) to ensure treatment adequacy, rather than routinely rechecking B12 levels after replacement has started

10.1007/s11154-008-9087-z