GSE Immunobiotic is a food supplement based on Grapefruit seed extract, Biosterine® (phytocomplex made up of purple basil and Salvia officinale, titrated to 40% rosmarinic acid), Uncaria tomentosa and Boswelia serrata. The components of Grapefruit seed extract can contribute to the microbial balance of the body. Extracts of purple basil, sage and uncaria support the immune system. Instructions for use: It is recommended to take 1 or 2 tablets a day, preferably after main meals, to swallow with water or another liquid.