Plastic Cut
Microplastics are now found in human blood, brains, and testicular tissue (avg. 329 µg/g, ~3× higher than in dogs). The honest goal isn't a mythical detox. It's reducing the inflow from the few sources that matter most, and letting your body clear the rest. Every claim below is graded by how strong the evidence actually is, and sourced.
Strong Moderate Weak Avoid = how good the evidence is, not how confident we sound.
Answer honestly. You'll get your biggest sources ranked, the cheapest swaps first, and a rough relative-exposure read. Nothing is sent anywhere; it all runs in your browser.
Your relative exposure
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See the full library below, including how to handle what's already in your body.
Ranked roughly by impact-per-effort. This is where almost all the real wins are.
~90,000 → ~4,000 particles/year
Bottled water is one of the largest single sources of microplastic intake. Most particles come from the bottle and cap themselves, not the source water. Filtered tap is dramatically lower.
~500 particles per cap twist
Each opening and closing of a plastic bottle abrades the cap threads and sheds particles directly into the water. Reusing single-use bottles compounds this.
100–300 particles per knife stroke; ~50% end up in food
Knife cuts shave plastic straight off the board and into whatever you are chopping. Wood (or glass for some uses) eliminates this entirely.
Hot (95°C) cups shed ~50% more than warm ones
Heat is the single biggest accelerant of particle shedding. Microwaving in plastic, hot coffee in a plastic-lined cup, or pouring boiling water into plastic all spike your intake. Use glass, ceramic, or stainless for anything hot.
Up to ~90% removal in hard water (~25% in soft)
Boiling hard (calcium-rich) water makes limescale form and trap plastic particles, which you then strain out with a coffee or steel filter. Effectiveness depends heavily on water hardness, so this is a bonus rather than a primary fix.
Removes most micro- and nanoplastics
A reverse-osmosis system (or an activated-carbon filter specifically rated for microplastics) is the most reliable way to cut the water source at home.
Chicken nuggets had ~30× the microplastics of chicken breast
More processing steps and more packaging contact mean more contamination. Whole, fresh foods shorten the path from source to plate.
Both flagged as significant dietary sources
Shellfish in particular concentrate microplastics, and alcohol is a notable contributor. Moderating both lowers dietary intake.
Fresh-food diet sharply cut BPA and phthalates
Can linings and many tea bags are plastic. A trial switching people to fresh, unpackaged food produced large drops in plastic-additive chemicals in days.
Household dust is a real inhalation/ingestion route
Synthetic carpet, upholstery, and clothing shed fibers into household dust, which you then breathe and ingest. A HEPA vacuum and fewer synthetics help.
This is where the internet lies to you. Here's the honest picture, worst-to-best evidence aside.
Most ingested microplastics leave in stool
The large majority of what you swallow passes straight through and exits. Only a small fraction crosses into tissue. Because you are always excreting, lowering your intake genuinely lowers your steady-state body burden over time. There is no shortcut that beats simply taking in less.
Plausible, low-risk
Fiber speeds elimination, supports the gut barrier, and feeds a healthy microbiome, all of which plausibly reduce how long particles linger and interact with your gut. The evidence is indirect, but the downside is zero.
RCT: plasma donation cut PFAS ~30%, blood ~10%
The strongest human evidence for actively lowering a synthetic-contaminant body burden comes from PFAS "forever chemicals," a chemical cousin: a randomized trial of 285 firefighters showed regular plasma donation cut PFAS blood levels by about 30% (blood donation ~10%). It is not yet proven specifically for microplastic particles, but plastics circulate in blood, making this the single most credible active lever, and it is free and helps others.
Clears some plastic chemicals, not particles
Sweating can excrete some plastic-associated chemicals (BPA, phthalates), but microplastic particles are far too large to leave through sweat glands. Saunas have real cardiovascular and relaxation benefits, but do not sell yourself on them as a particle detox.
No human evidence. Avoid.
There is no validated supplement, binder, cleanse, or chelation protocol shown to remove microplastic particles already in the human body. Chelation in particular is for heavy metals and can be dangerous. If a product promises to "purge plastics," that is the tell that it is not evidence-based.