how often can i give myself a b12 injection Vitamin B12: Frequently Should Get It? B12 Injection Dosage and Frequency:

This depends on your nutritional needs but, generally, B vitamin supplements are formulated to provide much more than you need and this can be a problem for the three B vitamins that can cause toxicity niacin, folate and B-6

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Getting regular vitamin B12 shotseven if youre not diagnosed with a deficiencyis safe

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

We dont recommend this for supplementation and the other forms are much better

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