Probiotics San Ferment Immun is a supplement in capsule form containing a combination of probiotics. Probiotics are beneficial microorganisms that help maintain a healthy balance of bacteria in the gut. This product is used to improve digestive health, strengthen the immune system and promote healthy gut flora. It is especially useful for people suffering from digestive problems, such as diarrhoea or constipation, and for those who wish to strengthen their immune system naturally.