bpc-157 purity third party testing BPC-157 | Research Peptide
Description
To further characterize the neuroinflammatory response during demyelination and remyelination, we assessed the expression of key brain inflammatory and oxidative stress-related markers ( Figure 5D )

Methylcobalamin works in the cell plasma, whilst adenosylcobalamin is only active in the mitochondria

doi: 10.1006/mcne.2000.0883

I suggest you look up what factors increase and decrease B12 and see if you can manage your levels with those things

DU et al
