Toxaprevent MEDI PLUS Sachets are used to absorb and remove toxic substances from the upper digestive tract (mouth, esophagus and stomach). The active ingredient MANC® (Modified and Activated Natural Clinoptilolite) is a clean form of zeolite which is patented for its ability to absorb toxins. This product has a Medical Device Licence, THR or is a Food for Special Medical Purposes.