Improves nervous system function and prevents disorders
Vitamin B12 injections for energy are particularly beneficial for those with low B12 levels, which can lead to fatigue, brain fog, and weakness
However, our study suggests that FUT2, through its regulation of the cross-talk between gut microbes and the human host, might explain a part of the observational association between serum vitamin B12 and BMI
A raised MMA in particular is the standard way to confirm that a deficiency is real at cell level
Knowing the difference is key to making the right choice for your health and your wallet
But for most people, the effect is more of a gradual return to your normal baseline, not a sudden, dramatic spike in energy