why is my b12 injection not working Feeling worse after Injection: Answering concerns Are B12 Shots Safe? Royal

They will check if you need Vitamin B12 shots and write a prescription if you do

Due to the generally low intake of B12, supplement dosages must be significantly higher thus the daily requirement is covered only with supplements of approx

This is standard technique for sealed vials and should be done routinely, not just when you encounter resistance

But if you read the research, you will see that methyl B12 is best absorbed when dissolved in saline

Lee WM, Hynan LS, Rossaro L, Fontana RJ, Stravitz RT, Larson AM, et al

That's why the Office of Dietary Supplements states that people over 50 should gain most of their B12 from dietary supplements or fortified foods