acytyl l carnitine L-Carnitine and acetyl-L-carnitine roles and neuroprotection in developing brain Acetyl L. Carnitine Supplement |

Acad Radiol (2014) 21(10):130413

GHK-Cu and PRP for the face PRP uses your own platelets, and it is used to nudge repair signals in skin, often paired with microneedling when texture and fine lines are the main issues

doi: 10.1016/j.xops.2021.100107 80 VohraRTsaiJCKolkoM

459,812 As a result, deferiprone helps restore respiratory chain protein levels, salvages mitochondrial function, inhibits TSFR gene expression, and improves calcium handling dynamics, thereby enhancing cardiac function

So it would be possible to have a normal or even high level of serum B12, and have most of that be inactive, and still be suffering from B12 deficiency, because you dont really have enough of the active B12 that gets in the cells

Sakai H, et al