Aristee Propoleo Extra-strength Alcohol-Free Poplar Propolis 20x1,1ml is a food supplement based on organic poplar propolis that contributes to improve the immune response. In addition, it is rich in polyphenols of high antimicrobial power that helps protect the body from viruses and external factors. It also helps to protect the nasopharyngeal sphere and soothes mucosal irritation. Contains 20 units of 1.1ml each.