Valproic acid
From SNPedia
Valproic Acid effects MTHFR gene mutation. http://www.ncbi.nlm.nih.gov/pubmed/18615588 Epilepsy http://www.ncbi.nlm.nih.gov/pmc/articles/PMC320966/ Bipolar http://www.sciencedirect.com/science/article/pii/S0278584608001322 http://www.ncbi.nlm.nih.gov/pubmed/23450474 http://www.google.com/patents/US8355927 http://europepmc.org/articles/PMC3622480