Wine Is Considered Gluten-Free, But There's A Catch - Tasting Table
Briefly

For those who need to avoid gluten, understanding the details of wine production is crucial, as some methods might unintentionally introduce gluten even though wine is largely considered gluten-free.
Wines, particularly red wines aged in traditional oak barrels, sometimes use a wheat paste for sealing, but tests have shown that gluten levels remain below the threshold deemed harmful.
While many wines are effectively gluten-free, it’s beneficial for consumers on a strict gluten-free diet to inquire about fining processes that might introduce minute gluten levels.
In the realms of alcoholic beverages, wine offers a largely safe option for those avoiding gluten, especially when compared to more gluten-laden choices like beer.
Read at Tasting Table
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