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Background: Foods are enriched with variety of chemical elements. Some of these el-ements are necessary for human health. These elements enter in liquid, the cells and other organs, certain amount of these elements are essential for body organs to work properly. Objectives: This research was conducted to compare the level of lead and cadmium con-tamination in garlic species planted in Ramhormoz and Rasht and discuss about the source of this contaminations. Materials and Methods: Twenty composite samples were collected from each province, Khozestan (Ramhormoz) and Gilan (Rasht). Each sample was burned according to in-struction reported in AOAC. Then the white residue was dissolved in diluted nitric acid then the Pb and Cd contents were determined using graphite furnace atomic absorp-tion spectrometer at 217 and 228.8 nm, respectively. No Pb level was detected in garlic cultured in both cities. The mean concentration of cadmium was 0.40 and 0.58 mg/kg in garlics planted in Ramhormoz and Rasht, respectively. Results: Statistical analysis showed significant difference between mean concentratio