It is possible to take probiotics for menstruation, and it does not affect the menstrual cycle and the volume of menstruation. Probiotics mainly regulate the intestinal flora and can also improve the immunity of the body. If you often have bloating and diarrhea, it may be caused by gastrointestinal dysfunction and indigestion, and you can drink probiotics to regulate the treatment. If you usually have vulvar itching, leucorrhea and other vaginal dysbiosis symptoms, you can also drink lactobacillus to regulate the micro-ecological balance of the vagina and improve the immunity of the vagina, even during menstruation. The best time to drink probiotics during menstruation is 20-30 minutes after meals, when the concentration of stomach acid decreases to allow the live bacteria to play their best role. Although it is important to keep warm during menstruation, do not use boiling water to brew probiotics, the temperature of the water should preferably be 30-40℃ to ensure the activity of the probiotic flora.