Abstract: This invention relates to a composite probiotic designed to enhance the absorption of iron ions in the intestines and its various applications. The composite probiotic comprises Lactobacillus gasseri LG08 (CGMCC No. 16131) and Lactobacillus johnsonii LJ09 (CGMCC No. 20123). The combination of these two strains exhibits a synergistic effect in promoting iron absorption, enhancing...