Proflor-30 (often referred to as Proflora Daily or similar product variations) is a food supplement containing live lactic acid bacteria and, in some formulations, prebiotic fiber (Fructo-oligosaccharides or FOS). This combination (synbiotic) helps to introduce beneficial microorganisms to the gut and provide the fiber necessary for them to thrive. The goal is to correct imbalances in the gut microbiome (dysbiosis) caused by factors like poor diet, stress, or antibiotic use.