https://pubmed.ncbi.nlm.nih.gov/6115113/
this study claims that methionine can lift methyl trap. that could be what helps you maybe.
Yes, that is the methylfolate trap that many have discussed on the forums. But they forget this part:
"This explains why administration of folic acid, which induces cell division and use of methionine in protein synthesis, impairs methylation of myelin and precipitates or exacerbates subacute combined degeneration."