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The Explainer· Microplastics

How to remove microplastics from the body: what actually helps, and what does not

A clear glass of filtered water on a pale stone counter beside a bowl of fresh vegetables and a folded linen cloth in soft daylight.

By The PlasticFreeLab TeamUpdated July 18, 20269 min read

There is no proven treatment that pulls microplastics out of the body, and any product sold as a microplastic detox is running ahead of the evidence. What the research does support is more modest and more useful: the body already clears a large share through normal excretion, and the biggest lever you control is how much you take in. Here is what actually helps, what does not, and how to think calmly about the particles already inside you.

The FAQ

What people ask us next.

Can you actually remove microplastics from your body?
Not on demand, and it is worth being honest about that up front. There is no clinical treatment shown to draw microplastic particles out of tissues or the bloodstream, and the studies that have found microplastics in human blood, stool, and organs describe where the particles are, not a way to extract them. A 2022 study in Environment International (Leslie et al.) was the first to detect and quantify plastic particles in human blood, and it measured presence rather than testing any removal method. What the body does do is clear a meaningful share of what you swallow through the normal route: a 2019 study in Annals of Internal Medicine (Schwabl et al.) found microplastics in every human stool sample it tested, which tells us the gut passes a large fraction straight through rather than absorbing it. So the accurate framing is that you cannot flush particles out on command, but your body is already excreting much of your daily intake, and the useful lever is reducing how much goes in.
Do microplastic detox supplements or cleanses work?
There is no good evidence that they do, and they are the part of this topic most worth approaching with a raised eyebrow. Products marketed as a microplastic detox, cleanse, or binder, whether activated charcoal, chlorella, zeolite, or a branded capsule, are sold on the strength of the fear rather than trial data showing they lower the plastic burden in a person. No regulatory or peer-reviewed source has validated any supplement as a way to remove microplastics from human tissue, and the studies these products cite are usually about binding unrelated toxins in a test tube or an animal model, not clearing plastic particles from people. Some of these supplements are harmless and some are not, but none has earned the claim on the label. The calm position is to keep your money and put the effort where the evidence actually points, which is lowering intake, since a swap you make once keeps working every day while a cleanse does nothing measurable.
How does the body get rid of microplastics naturally?
Mostly the ordinary way, through the gut and stool, which is genuinely reassuring. Most of the microplastic you take in comes with food and drink, and the digestive tract is not built to absorb inert particles of that size, so the large majority passes through and leaves in feces, which is exactly what the 2019 Schwabl stool study documented across its participants. Smaller particles are the concern, because the tiniest nanoplastics can in principle cross the gut wall and have been detected in blood, and the body has slower, less understood routes for handling those, including immune-cell uptake and clearance through the liver and kidneys. Researchers are still mapping how efficiently those routes work, so no one can put a clean number on retention. The practical takeaway is that your excretory system is already doing the heavy lifting for the coarse fraction, which is another reason the smart move is cutting intake rather than chasing an intervention to speed up a process that mostly happens on its own.
Does drinking more water or sweating flush out microplastics?
Not in any meaningful way, and this is a common piece of wishful thinking worth setting straight. Sweat is overwhelmingly water and salts, and there is no evidence that microplastic particles leave the body through the skin in sweat, so saunas and intense exercise, whatever else they do for you, are not a microplastic detox. Drinking more water does not act as a flush for particles lodged in tissue either, and if the water is unfiltered it can quietly add to your intake, since microplastics have been measured in tap and especially bottled water. The one honest caveat is upstream rather than downstream: switching to properly filtered drinking water reduces how many particles you consume in the first place, which is worth doing. But the mechanism is prevention, not flushing, and framing hydration or sweating as a way to purge plastic already inside you overstates what either can do.
What actually reduces the microplastics in your body?
Cutting your daily intake is the only lever with real evidence behind it, and the good news is that a handful of ordinary changes cover most of the exposure. The biggest single one is heat: never microwave or store hot food in plastic, because heat sharply increases how many particles and additives migrate into food, so moving to glass or stainless steel for anything warm removes a large source. Filtered tap water beats bottled water, since a 2024 PNAS study (Qian et al.) estimated bottled water carried on the order of 240,000 particles per litre, far more than most tap water, and a good filter cuts what remains; we cover the options in our guide to the best filter to remove microplastics. Beyond that, reducing plastic contact with food, choosing glass or steel storage over plastic tubs, and cutting ultra-processed and heavily packaged foods all lower intake. Because most exposure is dietary, these food-and-water swaps do more than anything you could take as a pill, and they compound quietly over time. Our full guide on how to avoid microplastics collects the evidence-ranked steps in one place.
Should I be worried about the microplastics already inside me?
Concerned enough to make a few easy changes, but not anxious, and the distinction matters for both accuracy and peace of mind. Microplastics are now found in nearly everyone tested, and the honest scientific position, reflected by bodies like the World Health Organization, is that clear evidence of harm to human health at current exposure levels has not been established, while research continues and cannot yet rule harm out. That is not a promise of safety, but it is a reason not to treat the particles already in you as an emergency you must purge. There is no validated way to remove them, worrying does nothing to lower the number, and the genuinely productive response is entirely forward-looking: reduce what you take in from here on, because that is the part you control and the part the evidence supports. Treat it as a set of low-cost habits worth building, not a crisis, and you are responding to the science rather than to the fear.
References

Sources we cited on this page.

  1. 01Leslie et al. 2022, Discovery and quantification of plastic particle pollution in human blood, Environment International
  2. 02Schwabl et al. 2019, Detection of Various Microplastics in Human Stool, Annals of Internal Medicine
  3. 03World Health Organization 2019, Microplastics in drinking-water
  4. 04Qian et al. 2024, Rapid single-particle chemical imaging of nanoplastics in bottled water, PNAS
  5. 05European Food Safety Authority 2016, Presence of microplastics and nanoplastics in food
About the byline

The PlasticFreeLab Team

A small group of researchers and writers cutting through the noise around non-toxic living. We read the studies, read the labels, test the products. We update our recommendations as the science evolves. We do not accept payment for product placement, we disclose every affiliate relationship, and we name the brands we reject.

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