https://en.wikipedia.org/wiki/Methylenetetrahydrofolate_reductase https://en.wikipedia.org/wiki/Methylenetetrahydrofolate_redu... For me, this is fixed by an L

https://en.wikipedia.org/wiki/Methylenetetrahydrofolate_reductase https://en.wikipedia.org/wiki/Methylenetetrahydrofolate_redu... For me, this is fixed by an L-Methylfolate supplement at a dosage of 15mg/day.