Beer does contain microplastics. A 2018 study in PLOS ONE tested 12 brands of beer brewed with Great Lakes water and found microplastic particles in every one, averaging about 4.05 particles per liter. A separate German study detected plastic fibers, fragments, and granules in all 24 beers it examined. The revealing part is the fingerprint: the particles were mostly fibers matching the source water and airborne plastic dust — not the barley, hops, or yeast. The important caveat: the studies measured how much plastic is present, not any effect on health, and beer is one small source among many. It's a reason to pour into a glass and filter your water — not to panic about your pint.
Beer feels like it should be exempt. It's an ancient drink made of four honest ingredients, brewed the same basic way for thousands of years. That's exactly why the research is jarring: when scientists started running beer under a microscope, they kept finding the same tiny fragments that turn up in tap water and in our own blood. And the surprise isn't unique to beer — the same thing has shown up in foods nobody suspects, from salt to milk.
Beer actually sits at the center of one of the most-cited microplastics studies ever published, because the researchers tested it alongside tap water and sea salt in the same paper. This guide walks through exactly what they found, how the plastic gets in (the answer isn't the grain), whether the amount is worth worrying about (the honest answer is calmer than the headlines), and the handful of changes that actually cut what you drink.
The bottom line up front: the plastic in beer comes from the brewing water, airborne fibers, and the packaging — not the ingredients — so the fixes are things you control. Pour beer into a glass, choose glass bottles over cans where it matters to you, drink in moderation, and above all filter the water you drink the rest of the day. For the bigger picture, see our ranking of which foods have the most microplastics, why tap water is a top source, and the room-by-room kitchen plastic detox guide.
Do studies find microplastics in beer?
Yes, and the clearest evidence is one of the most widely cited microplastics papers ever published. In 2018, researchers Mary Kosuth, Sherri Mason, and Elizabeth Wattenberg published a study in PLOS ONE that tested three everyday consumables at once: tap water, sea salt, and beer. For the beer, they analyzed 12 brands brewed with water drawn from the Laurentian Great Lakes — and found microplastic particles in every single one, averaging about 4.05 particles per liter.
They weren't the first to look. Back in 2014, German researchers Gerd Liebezeit and Elisabeth Liebezeit examined 24 German beers and reported synthetic contamination in all of them — a mix of fibers, fragments, and granules. Even after they carefully accounted for plastic dust that can drift into a sample during lab analysis, the contamination held up. Two independent studies, a continent apart, reaching the same conclusion: run beer under a microscope and you find plastic.
How do microplastics get into beer?
Almost entirely through the water and the air, not the grain. Beer is roughly 90 to 95 percent water, so whatever microplastic is present in the brewing water tends to ride straight through into the finished pint — which is exactly why the same research team found microplastics in tap water and beer in the same study. On top of that, synthetic textile fibers constantly drift through indoor air and settle onto open tanks during fermentation, conditioning, and bottling. The researchers pointed to this atmospheric fallout, combined with the source water, as the biggest contributors.
The packaging adds the rest. Beer moves through plastic tubing and hoses, sits in kegs and tanks with polymer liners, and is sealed with bottle caps that have a thin plastic sealing disc inside. Aluminum cans are lined with a fine polymer coating so the beer never touches bare metal — a real plastic-to-drink contact point, even if the studies didn't isolate how much it contributes. The table below sorts out where the plastic in a typical beer actually comes from.
| Source | What Happens | Contribution |
|---|---|---|
| Brewing / source water | Beer is ~90–95% water; particles in the water carry through | Major — fibers dominate |
| Airborne fibers | Synthetic textile fibers settle into open tanks during brewing & bottling | Major — atmospheric fallout |
| Packaging | Plastic tubing, keg liners, bottle-cap liners, and can coatings | Moderate — plastic-to-drink contact |
| Filtration & processing | Plastic equipment the beer flows through before packaging | Minor to moderate |
| The grain, hops & yeast | No biological pathway shown; the plastic isn't from the ingredients | Negligible |
How much microplastic is in beer?
Less than in some foods, but consistently detectable. In the 2018 PLOS ONE study, beer averaged about 4.05 microplastic particles per liter, with individual brands ranging from 0 to 14.3. The 2014 German study reported wider counts once you add fibers, fragments, and granules together — the fiber fraction alone ran from roughly 2 to 79 per liter across the 24 beers. Fibers were the dominant shape in both studies, which is the fingerprint you'd expect from airborne textile particles and contaminated water rather than manufactured plastic beads.
The honest headline is that the numbers bounce around a lot. Counts vary by brand, by the water each brewery uses, and by how the beer was handled and packaged, so there's no single figure that describes every beer. What doesn't vary is the direction: across brands, countries, and two separate research teams, the answer to "is there plastic in here" kept coming back the same. That consistency is the point — not any one particle count.
"Beer isn't contaminated by the barley — it's contaminated by the water it's brewed from and the air it's brewed in. Both of those are bigger problems than beer, and both are things you can act on."
Are canned or bottled beers worse for microplastics?
The studies didn't put cans and bottles head to head, so there's no clean winner to report — and it would be dishonest to invent one. What we can say is what each format adds. An aluminum can is lined on the inside with a thin polymer coating that keeps the beer from touching bare metal; a bottle is sealed with a cap that has a plastic liner pressed into it. Glass itself is inert — it adds nothing to what's already in the beer.
That points to a simple, free move that sidesteps the whole debate: pour your beer into a glass and drink it from there, rather than straight from the can or bottle. You're not filtering anything, but you stop adding a warm plastic-lined surface to the last part of the journey, and it's how good beer is meant to be served anyway. If you want to go a step further, choosing glass-bottled beer over cans avoids the can lining entirely. None of this touches the water and air the beer was made from — which is why the real leverage is upstream, on the water you drink all day.
Are the microplastics in beer dangerous?
Here's where honesty matters. The counts are real and reproducible, but these studies were designed to measure how much plastic is present in beer — not to test what those particles do once they're inside a person. On the specific question of harm from the microplastics, the beer research simply doesn't have an answer yet, and no one should read a health verdict into it that the data can't support.
It's also worth keeping the scale straight. A 2019 analysis in Environmental Science & Technology estimated that the average person already swallows tens of thousands of microplastic particles a year from food and drink combined, with bottled water alone capable of adding tens of thousands more. Against that backdrop, beer is a minor contributor for most people, and the alcohol in it is a far better-documented health concern than its plastic content. What we do know more broadly is that microplastics are increasingly detected throughout the human body — in blood, organs, and even the brain — so trimming avoidable exposure is sensible even while the harm question stays open.
You don't need to give up beer over microplastics. The plastic in a pint is a small, occasional exposure — and the alcohol is the bigger health story anyway. The part worth your attention is the everyday one: the water you drink all day long is a far larger share of what you take in than beer. Fix that first, then spend the rest of your effort on the bigger sources in our kitchen plastic detox guide.
How do you reduce the microplastics in your drinks?
You can't filter beer at home — run a finished beer through a household filter and you'd strip its flavor and carbonation and ruin it — so the leverage is everything around the beer, and the biggest lever isn't beer at all. Three moves do most of the work: pour beer into a glass instead of drinking from the can or bottle; choose glass-bottled beer over cans where it matters to you; and, above all, filter the tap water you drink the rest of the day, because water is a much larger share of what you actually swallow than the occasional pint.
Start with water, because it's the highest-volume thing you put in your body and, per the same research team, a top microplastic source in its own right. A pitcher that carries a specific microplastics claim — certified under NSF/ANSI 401, or a rated membrane pore size — cuts particle counts sharply; see our full guide to the best water filter pitchers for microplastics and the broader water filter roundup. Then get the rest of your drinks off plastic: serve and carry beverages in glass rather than plastic, and stop storing or reheating other drinks and food in plastic tubs. The picks below are the simplest, longest-lasting ways to do all of that.
Fix the sources that actually matter
The plastic in a pint is small next to the water you drink all day. Start where it counts: filter your tap water, and get your everyday drinks off plastic.
The swaps that cut the most plastic you drink
You can't buy "microplastic-free beer," and you can't filter beer at home. So instead of padding this out with products that don't exist, here are the real, currently-sold tools that cut the plastic around your drinks — certified water filters for the water you actually can clean, plus glass and platinum-silicone vessels to keep your other beverages and food off plastic. Prices and availability change, so check current listings.
1. Epic Pure Water Filter Pitcher — Best Overall for Microplastics
Best Overall
Reviewers point to published independent lab data and a filter rated around 150 gallons, far longer than a Brita, as the reasons they trust it, and several describe the slow, deliberate drip as reassuring rather than annoying. The honest downsides: owners report the filtration is genuinely slow and not the pick if you want a glass of water in a hurry, and third-party complaints mention cracked plastic, flip-top lids that stick, and water that spills or leaks from the lid when you pour a full pitcher.
The clearest evidence on this list: Epic posts its independent lab results publicly, so you can see the 99.9% microplastic-removal data instead of trusting a slogan on the box.
Why it's safe: The hollow fiber membrane physically blocks microplastic particles down to ~1 micron, while the carbon stage handles chlorine, lead, and PFAS — all in a BPA-free Tritan body.
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Water is the input you control most tightly and the one that dwarfs beer in sheer volume, which makes filtering it the highest-leverage swap on this list. The Epic Pure is the clearest choice: its dual-stage design uses a hollow fiber membrane as the primary microplastic barrier, and Epic publishes the independent lab results to back the 99.9% removal claim — transparency most competitors don't match.
2. Waterdrop Chubby 10-Cup Pitcher — Best Filter Life
Best Filter Life
Owners like the look and the long 200-gallon filter life, and roughly 80 percent of reviews land positive, with the common praise being clean-tasting water at a low cost per gallon. The honest gripes: several owners warn the handle can feel loose or strain under a full pitcher, so they lift with two hands; some report the pour spills if you tip too fast; and the change-filter indicator light draws complaints for not lighting or not staying lit.
A membrane blocks particles by pore size rather than by claim list, and its 200-gallon filter runs about 4 to 5 months — the lowest ongoing cost on the list.
Why it's safe: A hollow fiber membrane is a physical barrier to particles, while the carbon composite handles chlorine, heavy metals, and PFAS — all in a BPA/BPS-free body.
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If your household drinks a lot of water — and you should, especially around beer — filter life matters, and the Waterdrop Chubby leads on it: a hollow fiber membrane on Waterdrop's own published lab data, plus 200 gallons per filter (about 4–5 months for most households). The "filter while you pour" design works just like a familiar counter pitcher, but with a membrane that's actually tested for microplastics.
3. Aquagear Water Filter Pitcher — Best Value
Best Value
Owners choose it for broad contaminant removal and clean taste, and some lab testing found it did not clog. The honest downsides: the most repeated complaint is slow filtration, described by one reviewer as a mixed bag between people waiting minutes and people waiting hours, and it can worsen as the filter ages; and the design draws gripes, with the pour-spout cover popping out and spraying water and a lid that fits poorly and can pop off mid-pour.
Change the filter half as often as most pitchers — 150 gallons per cartridge means fewer replacements, lower annual cost, and less to remember.
Why it's safe: A 5-stage filter with a sub-micron membrane stage captures microplastics, lead, fluoride, and chlorine, in a BPA-free body with USA-made filter media.
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The Aquagear costs more upfront but its 150-gallon filter life means lower annual replacement costs than most competitors, and the pitcher body is guaranteed for life. It uses a 5-stage filter with a sub-micron membrane stage that targets microplastics, heavy metals, and fluoride — a good fit for households that don't want to track filter changes constantly.
4. Lifefactory Glass Bottle 22oz — Best Glass Bottle
Best Glass Bottle
The simplest way to keep filtered water with you all day, so the plastic-free water you made at home doesn't get replaced by a plastic bottle the moment you leave. It’s made from borosilicate glass — the same material used in laboratory glassware — which is thermally stable, chemically inert, and completely free of BPA, BPS, and any polymer contact with your drink. It imparts no taste, so water tastes like water, not plastic. The protective silicone sleeve adds grip and guards against shattering. The cap contains a small polypropylene component — the only plastic in the system, at the exterior closure rather than the drink surface. Dishwasher-safe.
Carry the filtered water you made at home instead of buying a plastic bottle out — no plastic contact, no shedding, and it cleans up in the dishwasher.
Why it's safe: Borosilicate glass is completely inert — it never leaches, never sheds microplastics, and imparts no taste. The only plastic is a small cap component at the exterior closure, not the drink surface.
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Beer is a small share of what you drink; water is most of it. Carrying filtered water in a borosilicate glass bottle keeps that larger share off plastic entirely — no leaching, no shed fibers, no plastic aftertaste — and it’s sturdy enough for daily desk-and-bag use.
5. Glasslock Oven Safe Container Set (3-Pack) — Best Glass Storage
Best Glass Storage
Longtime owners like that the glass bodies are oven-, microwave-, and freezer-safe and that the snap-lock lids seal tight. The honest downsides run through the lids, not the glass: reviewers report cracked lids, snapped locking tabs, and mold building up in the rubber gaskets if they are not dried well. Some buyers also received sets with a locking piece missing, and several flag slow, hard-to-reach customer service when they needed a replacement part.
Three stackable glass containers in one box — enough to store a week of leftovers and prepped ingredients without a single plastic tub.
Why it's safe: Your food sits on inert tempered glass, not plastic — so warm, acidic, watery foods can’t leach or pick up shed particles. The BPA-free lids seal with a food-grade silicone gasket that only touches the rim.
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Beer aside, most kitchens leak plastic into food through storage tubs. Pour leftovers and prepped ingredients into glass instead, and reheat with the lids off so warm food never sits against plastic — the exact condition that drives the most particle migration. At roughly ten dollars per container, it's also the cheapest way to retire your plastic food tubs in one purchase.
6. Zip Top Silicone Containers (Dish Set) — Best Silicone Set
Best Silicone Set
Zip Top's design is its own category: 100% platinum-silicone containers that stand upright, stay open while you fill them, then zip shut along the top. There's no plastic frame or zipper insert — it's a single piece of silicone, so there's nothing to harbor chemicals or break down.
The dish set includes small, medium, and large (16, 24, and 32 oz) and goes in the dishwasher, microwave, and freezer. It's the tidiest swap for portioned leftovers and snacks to go with the game.
Owners like that the stand-up silicone dishes open with a light pinch and go from freezer to microwave to dishwasher. The honest downsides: the seal is not airtight, so reviewers warn that if a container tips over the liquids will leak out and the dishes must stay upright in the fridge; pigmented foods like tomato or beets stain the silicone and the marks persist after washing; and strong-smelling foods can leave odors the material holds onto.
Meal-prep and snack storage without a stack of plastic tubs. One-piece silicone dishes stand up, zip shut, and rinse clean — nothing leaching into tomorrow's lunch.
Why it's safe: A single piece of 100% platinum-cured silicone, made in the USA — no plastic, PVC, BPA, or PFAS, and no separate lid to off-gas.
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For snacks, leftovers, and anything you'd reach for a plastic tub or bag to hold, platinum-cured silicone is the upgrade — free of the chemicals that migrate from plastic, and durable enough to last for years. For the full lineup, see our guide to the best silicone food storage bags.
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The honest verdict
Does beer have microplastics? Yes — the 2018 PLOS ONE study found particles in all 12 beers it tested, averaging about 4.05 per liter, and the 2014 German study found fibers, fragments, and granules in all 24 beers it examined. But the crucial detail is the source: the plastic matches the brewing water and airborne fibers, not the barley, hops, or yeast, and the counts vary widely from brand to brand. Those studies measured how much plastic is present, not what it does to the body. So the accurate takeaway is proportion, not alarm.
The practical response is easy, because the plastic in beer is mostly the plastic you can route around. Pour beer into a glass instead of drinking from the can or bottle. Choose glass-bottled beer over cans where it matters to you. Drink in moderation — the alcohol is the bigger health story anyway. And above all, filter the tap water you drink all day, since that's a far larger share of what you take in than the occasional pint, and it's the one input in the whole picture you genuinely can clean. You don't have to prove the particles are harmful to decide those changes are worth making.
Cut the plastic that actually adds up
The pint is a small source next to the water you drink every day. A certified filter and a few glass vessels remove far more plastic from your drinks and your diet.
Frequently Asked Questions
Beer does contain microplastics. A 2018 study in PLOS ONE tested 12 brands of beer brewed with Great Lakes water and found microplastic particles in every one, averaging about 4.05 particles per liter. A separate German study detected fibers, fragments, and granules in all 24 beers it examined. The particles are mostly fibers, and the fingerprint points to the source water and airborne plastic dust, not the barley or hops.
Mostly from the water and the air, not the grain. Beer is about 90 to 95 percent water, so whatever microplastic is in the brewing water tends to carry through. On top of that, synthetic fibers drift through the air and settle into open tanks during brewing and bottling, and the packaging adds its own contact — plastic tubing, keg liners, bottle-cap liners, and the thin polymer coating inside aluminum cans. The researchers concluded atmospheric fallout and source water are the biggest contributors.
In the 2018 PLOS ONE study, beer averaged about 4.05 microplastic particles per liter, ranging from 0 to 14.3. The 2014 German study reported wider counts once fibers, fragments, and granules were added together — fiber counts alone ran from about 2 to 79 per liter. Counts vary a lot by brand, by the water used, and by how the beer was handled and packaged, so no single number applies to every beer.
The studies didn't rank cans against bottles head to head, so there's no clean verdict. What's known is that both add plastic contact: aluminum cans are lined with a thin polymer coating to keep the beer off the metal, and bottle caps have a plastic sealing liner. Glass itself is inert and adds nothing, so pouring beer into a glass to drink it — rather than drinking from the can or bottle — is the simple, no-cost move, and choosing glass-bottled beer avoids the can lining entirely.
Not at home. Running finished beer through a household filter would strip the flavor and carbonation and ruin it, so you can't clean a bottle you've already bought. The realistic levers are around the beer: pour it into a glass instead of drinking from the can, choose glass-bottled over canned where it matters to you, drink in moderation, and — the biggest lever for most people — filter the tap water you drink the rest of the day, since water is a far larger share of what you take in than beer.
The health risk isn't established. These studies measured how much plastic is present, not what it does inside the body, and beer is a small source next to drinking water and food stored or heated in plastic. Alcohol itself is the bigger, better-documented health concern in beer. Still, microplastics are increasingly detected in human blood, organs, and tissue, so trimming avoidable exposure is sensible. The reasonable stance is proportion, not panic.
Sources
- Kosuth M, Mason SA, Wattenberg EV. "Anthropogenic contamination of tap water, beer, and sea salt." PLOS ONE, 2018;13(4):e0194970. (12 beer brands brewed with Great Lakes water; microplastics in all, ~4.05 particles/L; fibers dominant.)
- Liebezeit G, Liebezeit E. "Synthetic particles as contaminants in German beers." Food Additives & Contaminants: Part A, 2014;31(9):1574–1578. (24 German beers; fibers, fragments, and granules found in all.)
- Cox KD, Covernton GA, Davies HL, et al. "Human Consumption of Microplastics." Environmental Science & Technology, 2019;53(12):7068–7074. (Estimated tens of thousands of microplastic particles consumed per person per year from food and drink.)