Researchers have identified a supplement made from dead bacteria that appears to bind microplastics and prevent their absorption into the body's cells. The supplement works by leveraging the rough surface texture of bacterial cell walls, which attract and trap microplastic particles.
Microplastics, tiny fragments smaller than 5 millimeters, have infiltrated human tissues, bloodstreams, and organs. Their health effects remain poorly understood, but accumulating evidence suggests they may cause inflammation and cellular damage. This supplement offers a potential intervention strategy.
The mechanism relies on the bacterial cell wall's natural affinity for plastic particles. When consumed, the dead bacteria bind to microplastics in the digestive tract, preventing them from crossing the intestinal barrier into systemic circulation. The bound microplastics then exit the body through normal elimination processes.
The research appears preliminary, based on New Scientist's reporting. Key questions remain unanswered. Scientists have not yet published detailed efficacy data, established optimal dosing, or confirmed safety in human trials. Animal studies or in vitro testing likely form the current evidence base.
The supplement's advantage lies in its simplicity and low cost. Dead bacterial cells are inexpensive to produce and can be cultured from common, safe bacterial strains. Unlike active medications requiring pharmaceutical development timelines, this approach uses established biotechnology.
However, significant limitations exist. The supplement only addresses microplastics already in the digestive system. It cannot remove microplastics that have already entered tissues or the bloodstream. Long-term safety data in humans is absent. The supplement's effectiveness against different microplastic types and sizes remains unknown.
Broader context matters here. Humans ingest microplastics through drinking water, food, and air. Complete avoidance is nearly impossible. While this bacterial supplement may help reduce intestinal absorption, preventing microplastic exposure at the source through