Sodium metabisulfite is commonly used as a preservative and antioxidant in various products. Some common products that may contain sodium metabisulfite include:

Food and Beverages:

Wine

Beer

Dried fruits

Fruit juices

Vinegar

Pickles

Potato chips (for preservation)

Sauerkraut

Processed Foods:

Frozen shrimp and seafood (as a preservative)

Baked goods (to extend shelf life)

Processed meats (to prevent discoloration)

What Products Contain Sodium Metabisulfite?

Cosmetics and Personal Care Products:

Hair care products (like hair dye)

Skin care products (as a preservative)

Photography:

Developing solutions (as a reducing agent)

Other Uses:

Water treatment

Textile processing

Always check product labels if you are concerned about sodium metabisulfite content, especially if you have allergies or sensitivities to sulfites.