acetyl-l-carnitine liquid iSatori L-Carnitine LS3 3000, L-Carnitine with Acetyl L-Carnitine, Absonutrix Acetyl L-Carnitine, 593mg per
Description
Bioscience Reports 42 , BSR20212457 (2022)

So, you measure a higher B12, but part of that B12 is inactive, so useless Oral B12 supplementation, even in the form of a multivitamin preparation, may result in serum B12 concentrations just within the normal range without abolishing symptoms

Oxidative medicine and cellular longevity, 2016, 4389410
Arafah BM

If the stress is too high SOD activity is decreased and apoptosis is activated
