Despite having similar names and symptoms, sulfa and sulfite allergies are different. Sulfa refers to sulfonamides, known as sulfa drugs, while sulfite is commonly found in wine, processed food, and ...

Sulfites are chemical preservatives used in a range of foods including beverages such as wine and beer. They are added to processed foods to increase their shelf-life and even to some medications to ...

The phrase "contains sulfites" is printed on many if not most bottles of wine, typically somewhere on the back label. The ...

Sulfites are sulfur-based preservatives used to keep foods and drinks fresh, prevent browning, and extend shelf life. You’ll find them in wine, dried fruit, packaged potatoes, condiments, sauces, and ...