how often can i give myself a b12 injection Vitamin B12: Frequently Should Get It? B12 Injections at Home -

This further emphasizes the vitamin's multifaceted role in maintaining not just energy levels and neurological health, but also cardiovascular wellness

It takes some getting used to but giving yourself or someone else a subcutaneous injection gets easier with practice

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

They may also be necessary when certain medications interfere with B12 absorption or in any other diagnosed condition specifically impacting B12 uptake