If you are experiencing such problems, in the first instance you should see your GP who will undertake a blood test, review your symptoms, and diagnose any deficiency, alongside any need for dietary changes, oral supplementation, or prescribed injections of vitamin B12
Evaluation helps determine whether factors such as metabolism, nutrient status, hormonal balance, or lifestyle variables may be contributing
Higher Bioavailability : Injections provide higher bioavailability of B12 because the vitamin is delivered directly to the bloodstream, ensuring maximum absorption
On a 1 mL insulin syringe (100 units), every 20 units equals 1 mg
A 10mg/ml vial contains 2.5mg in those 25 units
These above two areas are the major functions B12 is used for