Foundations
Microplastics and Nanoplastics: What the Protocol Targets
Updated 2026-05-16 · Evidence posture: Moderate evidence
Microplastics are commonly described as plastic particles under 5 millimeters. Nanoplastics are smaller and harder to detect consistently, which makes measurement methods and study design especially important.
The Zero Plastic Protocol prioritizes exposure routes that are repeated, plausible, and controllable: drinking water, heated food contact, kitchen abrasion, indoor dust, hot beverage routines, and textile shedding.
The protocol intentionally avoids claiming guaranteed disease prevention. It frames actions as conservative exposure-reduction steps where low-regret substitutions are practical even while the health-outcome science continues to develop.
The strongest household logic is cumulative: a tiny exposure source that occurs every day can matter more operationally than a dramatic but rare exposure. That is why daily water, hot beverages, food storage, and air/dust routines are ranked highly.
Practical takeaways
- Prioritize repeated daily routes before rare exposures.
- Separate particle exposure evidence from disease-outcome claims.
- Favor durable glass, stainless steel, ceramic, wood, and well-maintained filtration where they solve an existing routine.
What remains uncertain
There is no single validated consumer score that converts household behavior into a personal biological microplastics dose. The protocol is therefore a practical exposure-reduction framework, not a diagnostic model.
Source grounding
U.S. EPA Microplastics Research
EPA frames microplastics research around occurrence, fate, transport, measurement methods, and potential health effects.
FDA: Microplastics and Nanoplastics in Foods
FDA summarizes current evidence and uncertainty around microplastics and nanoplastics in food, bottled water, seafood, and food-contact materials.
WHO: Microplastics in drinking-water
WHO reviews drinking-water occurrence, treatment considerations, and research gaps.