This 2014 cross-sectional study, published in Genes & Nutrition, examined how riboflavin status influences the relationship between genetic polymorphisms in MTHFR (677C>T) and MTRR (66A>G and 524C>T) and plasma total homocysteine (tHcy) levels in 771 adults aged 18–75 years. The study found that individuals with the MTHFR 677T allele and