,56 First, an effect of an interaction between the TCF7L2 SNP rs12255372 and total dietary fiber intake (g) on FG was identified in a sample of 1682 adults recruited from the CURES study; however, this trend was not observed between the SNP rs7903146 and dietary fiber intake on T2D risk.56 Here, TCF7L2 is linked to type 2 diabetes mellitus.