Effect of Lactobacillus Johnsonii or White Pomegranate Extract on the Vaginal Health

The goal of this clinical trial is to explore the effect of Lactobacillus johnsonii and white pomegranate extract on female bacterial status, it aims to answer are: * Evaluate Lactobacillus johnsonii TCI250 probiotics or white pomegranate extract in regulating female vaginal bacteria and improving vaginal health. * Evaluate Lactobacillus johnsonii TCI250 probiotics or white pomegranate extract in regulating inflammation. Participants will be randomly assigned to placebo (n = 50), probiotic heat-killed Lactobacillus johnsonii TCI250 group (n = 50) and white pomegranate extract group (n = 50) for 8 weeks. Researchers will compare the vaginal flora and inflammation.