MELTF and type 2 diabetes mellitus: Among the individuals consuming vitamin A (retinol equivalent) above the DRI, the carriers of the melanotransferrin (MELTF) rs73893755 minor allele (T) had a higher risk of T2DM than the non-carriers (OR = 1.85, p-value = 1.66 × 10−8; interaction p-value = 7.61 × 10−8).