Lactobacillus rhamnosus is a type of beneficial bacteria, commonly found in the human gut and in fermented foods like yogurt. It belongs to the Lactobacillus genus, which is known for its role in promoting digestive health. This probiotic strain helps maintain a balanced gut microbiome and can support the immune system. Research suggests that Lactobacillus rhamnosus may also aid in preventing and treating certain gastrointestinal issues, such as diarrhea and irritable bowel syndrome. Additionally, it has been studied for its potential benefits in mental health and weight management, making it a popular choice in dietary supplements.