headache after vitamin b12 injection B12 Series of 10 injections Service — ReNu MD Why do I feel worse

Clinically, this means that correcting a deficiency often relieves unexplained fatigue and brain fog. (NHS sources report that deficiency leads to extreme tiredness and low energy.) Energy misconception: Its important to stress that B injections are not a stimulant

I haven't directly connected them to B12 deficiency or treatment as there definitely was a correlation between them and my hormone levels but not the B12 - they just happened to occur around the same time

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Then, they switch to a monthly dose