When to Use Vitamin B12 vs Vitamin B Complex When Vitamin B12 Injections Are Most Appropriate Vitamin B12 injections are most appropriate when there is evidence or strong suspicion of vitamin B12 deficiency
Normal is above 90, and most doctors start paying attention when it drops below 60
If compounding pharmacies are eventually authorized to produce these compounds, patients would need a physician's prescription, which would add a consultation cost but also provide some regulatory oversight
I wasnt able to find any reliable evidence or details regarding whether a mild B12 deficiency can exacerbate B12 malabsorption, but the possibility raises concerns
Lotz-Havla AS, Wei KJ, Schiergens KA, Brunet T, Kohlhase J, Regenauer-Vandewiele S, Maier EM