Heres my game plan: Test for intrinsic factor antibodies if my doctor offers this Try high-dose sublingual B12 (5000mcg daily) for 8 weeks as a test If my B12 stays below 400 pg/mL, go straight to injections Calculate the cost difference to justify the investment The 10% Rule If youre absorbing less than 10% of your oral B12 (you can estimate this by comparing your supplement dose to your blood response), weekly shots often cost less than daily high-dose pills
NHS Guidelines on B12 Treatment and Weight Management The NHS follows NICE and British Society for Haematology guidelines for B12 deficiency management, which emphasise evidence-based diagnosis and treatment protocols
Symptoms can be subtle, but B12 shots can completely change how you feel on a day to day basis
Predrag Sikiric, Sven Seiwerth, Zeljko Grabarevic, Petek, M., Rucman, R., Turkovic, B., Ivo Rotkvic, Vjekoslav Jagic, Duvnjak, M., Mise, S., Sanja Djacic, Jadranka Separovic, Marija Veljaca, Ahmet Sallmani, Banic, M., & Brkic, T
Taking B12 supplements can help regulate your body and its chemistry