GR- 1 refers to Lactobacillus rhamnosus, whose main function is to kill bad bacteria. RC- 14 refers to Lactobacillus reuteri, whose main function is to protect bacteria from viruses, and is a female vaginal guardian. In addition, GR- 1 and RC- 14 are the only two pure female probiotics in the world, which were developed by the chairman of WHO Probiotics Group. Thank you for your recognition and support as always.