[Conclusions]Large dose of the nano-size iron powder has greater effect on serum glucose but without any different effects on serum TG,TC,HLD-C and LDL-C compared with the ordinary iron material.

• [结论]大剂量Nano-Fe经口染毒可使血清Glu降低,对TC、TG、HDL-C和LDL-C无明显影响。