...SOD2 (rs4880 ), GSTP1 (rs1695), NAT2 (rs1208) and NAT2 (rs 1801280)
Heterozygoes - CYP1A2 (rs 762551), COMT (rs4633), COMT (rs4680), MAO-A (rs6323), CBS (rs 1801181 and rs234706), MTHFR (rs1801131 and rs2066470), MTR (rs1805087) MTRR (rs1801394) and SHMT1 (rs1979277)
It seems like so many...