All

L-Methylfolate Methylated Vitamins MTHFR Supplements Methyl-B12 B12 Supplements
1- https://ijbpas.com/archive/archive-single-pdf/6008
2- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9380836/
3- https://pubmed.ncbi.nlm.nih.gov/34886014/
4- https://pubmed.ncbi.nlm.nih.gov/30632091/