does b12 injection cause headache Shots in Friso, Sherman, Anna. and Sunnyvale, TX I've had a migraine since
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Mol Nutr Food Res 2015;59:1364-1372
And its one where the chemistry gives a clearer answer than most compounds in this space
This can put a mild strain on your kidneys if youre not properly hydrated, so drink lots of water when you get your injections

If you feel sick, tell your guide immediately
