If you’ve ever blamed a wine headache on sulfites, you’re not alone — but the science is more complicated than the label warning suggests. Sulfites are one of the most misunderstood ingredients in your glass. Here’s what they actually do, whether they’re really the reason you wake up with a headache, and what you can do if you want to cut back. symptoms. So what are sulfites? Are they the real culprit for your hangover? And how can we remove them?
What Are Sulfites, Exactly?
Sulfites (sulfur dioxide) are naturally occurring compounds that show up in a huge range of foods — and they’re also produced naturally during fermentation, which means every wine contains some level of sulfites, even ones with no sulfites added. Winemakers also add sulfites deliberately, because they do two important jobs: they stop unwanted bacteria from spoiling the wine, and they slow oxidation, which is what keeps a bottle tasting fresh instead of turning to vinegar.
Sweeter wines generally contain more sulfites than dry ones, because sulfites bind to sugar and lose some of their preservative power — so winemakers add more to compensate. That’s part of why a sweet Moscato or Riesling often has a higher sulfite count than a dry Cabernet.
White wines on average are sweeter than reds. Sulfites bind to sugars, reducing their efficacy, so sweeter wines require higher levels of sulfites to sterilize the wine. This means that sweeter wines, like Moscato, or many white wines will have higher levels of sulfites than most.
Do Sulfites Actually Cause Wine Headaches?
This is the part most articles get wrong. Since 1988, the FDA has required any wine with more than 10 parts per million (ppm) of sulfites to carry a “Contains Sulfites” warning — and that label has led a lot of people to assume sulfites are the reason they get headaches after a glass or two.
But for the vast majority of drinkers, that’s probably not what’s happening. True sulfite allergy is estimated to affect only about 1% of the population, and it typically shows up as respiratory symptoms — wheezing or tightness in the chest, especially in people with asthma — not a headache. For most people who get headaches from wine, researchers point to other likely culprits instead:
1. Histamines — naturally occurring compounds in wine (especially reds) that can trigger headaches and congestion in sensitive people, independent of sulfite content
2. Tannins — the compounds that give red wine its dry, mouth-puckering quality, which some people are sensitive to
3. Alcohol itself — dehydration and its effects on blood vessels are a well-established headache trigger, sulfites or not Simple overindulgence — sometimes a wine hangover is just a hangover
None of this means sulfites are harmless for everyone — if you notice a real reaction, they may genuinely be a factor for you, and that’s worth taking seriously. But if you’re chasing “low-sulfite” wine hoping it’ll fix your headaches and it isn’t working, histamines or tannins are worth looking into instead.
Which Wines Have the Most (and Least) Sulfites?
As a general rule:
–Natural, low-intervention wines (Pét-Nat, Col Fondo Prosecco, orange wine) tend to have the least, since minimal sulfites are part of the natural winemaking philosophy — though most of these need to be drunk within a year and don’t age well
–Sweet wines (Moscato, late-harvest Riesling, dessert wines) tend to run higher
–White wines typically contain more sulfites than reds
–Red wines are usually lower in sulfites but higher in tannins and histamines — which may explain why reds are more often blamed for headaches despite lower sulfite counts
How to Choose a Lower-Sulfite Wine
If you want to cut back on sulfites specifically, a few practical strategies:
Try natural or biodynamic wines, which typically use less sulfur overall, with the tradeoff of a shorter shelf life once opened.
Read the label. In the U.S., any wine over 10 ppm must say “Contains Sulfites.” Wines labeled “No Sulfites Added” still contain trace amounts from fermentation — usually under 10 ppm — but genuinely have none added during production.
Look for USDA Organic certification, not just “made with organic grapes.” Wines labeled “100% Organic” or “USDA Organic” cannot legally have sulfites added. Wines labeled “made with organic grapes” can still have sulfites added later in the process — an easy distinction to miss.
Favor dry over sweet, and red over white if sulfite load specifically is your concern.
Or Filter Them Out of Any Wine Or Drink Clean
If you don’t want to limit yourself to a narrow list of natural wines, there are now tools designed to reduce sulfites (and histamines) from any bottle you already enjoy. You can also choose wines naturally lower in sulfates.
The Wand Wine Filter
The Wand is a single-use, swirl-in filter that removes both sulfites and histamines directly from a poured glass. Swirl it for a few minutes, remove it, and drink — no equipment, no cleanup, and it’s portable enough to bring to a restaurant or a friend’s house.
Natural Wine Sampler
Sulfites in wine can be partially blamed for unnecessary headaches and hangovers when drinking wine, but that doesn’t mean you have to give up drinking it altogether. You can also help your body recover after drinking with products like these:
This Natural Wine Sampler is a mix of artisanal, delicious natural wines crafted without the additives found in conventional wine. Crafted with organic grapes and no harsh additives (plus 0g of sugar).
Ando Alcohol Flush Gummy
Ando reduces the skin redness and discomfort caused by Alcohol Flush. It’s a science-backed, delightfully tasty gummy for Alcohol Flush relief. Bye-bye redness and discomfort!
Hanglite Gummies
Hanglite Gummies are a science-backed drinking aid designed to keep you healthy, fight alcohol’s negative effects, and help you wake up feeling amazing.
Sulfites aren’t the villain they’re often made out to be, but if they (or the histamines and tannins that often get lumped in with them) are genuinely affecting you, you’ve got real options — from label-reading to filtering the bottle you already love.
Shopping for someone who loves wine? Browse our wine gift ideas for more ways to upgrade their glass.
Frequently Asked Questions About Sulfites in Wine
For most people, probably not directly. True sulfite allergy affects roughly 1% of the population and usually causes respiratory symptoms, not headaches. Wine headaches are more often linked to histamines, tannins, alcohol’s dehydrating effects, or general overindulgence — though if you notice a consistent reaction, it’s worth discussing with a doctor rather than ruling anything out.
“No Sulfites Added” means the winemaker didn’t add sulfites during production, but the wine still contains trace amounts (typically under 10 ppm) produced naturally during fermentation. U.S. labeling rules don’t allow wines to be marketed as truly “sulfite free,” since some level occurs naturally in virtually all wine.
White wines generally have more sulfites than reds, and sweeter wines have more than dry ones, since sulfites bind to sugar and lose effectiveness — so winemakers compensate with higher levels. Red wines tend to be lower in sulfites but higher in tannins and histamines, which is part of why they’re sometimes blamed for headaches despite the lower sulfite count.
Yes. Filters like The Wand are designed to capture sulfites (and histamines too) as wine passes through, letting you drink a normal bottle with a reduced sulfite load.
Not automatically. Wines labeled “100% Organic” or “USDA Organic” cannot have sulfites added, but wines labeled “made with organic grapes” can still have sulfites added during production. All wines, organic or not, contain some natural sulfites from fermentation.
If you have a diagnosed sulfite sensitivity or allergy, talk to your doctor about safe limits — for some people, even small amounts can trigger a reaction. For everyone else experiencing milder post-wine symptoms, filtering sulfites and histamines out, or switching to lower-sulfite options like dry reds, is often enough to make a noticeable difference.