METHODS: This case-control study looked at a total of 104 university students, 51 individuals with obesity, and 53 individuals as controls. Biochemical measurements by the colorimetric method include zinc and copper. Genetic analysis by the tetra primers ARMS-PCR was used for genotyping the rs180113 SNP in the MTHFR gene. RESULTS: Serum zinc levels were significantly higher in the obese group compared to the non-obese group (145.1 ± 24.89 ug/dl vs. 114.8 ± 29.44 ug/dl, CONCLUSION: Zn and rs1801133 are associated with obesity, the A allele of rs1801133 SNP and the significant associations observed in different genetic models highlight the potential of this polymorphism as a genetic marker for obesity risk.