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Condiments & Spreads

How long does soy sauce last?

Fermented soybean condiment.

Quick answer
Fridge (40°F / 4°C)
2 years
Lasts longer in fridge after opening
Pantry (room temp)
2 years
2 years unopened
After opening
6 months
6 months opened in pantry; 1 year fridge
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Soy Sauce shelf life chart

All times are best-quality guidelines based on USDA FoodKeeper and FDA storage data. Actual shelf life depends on temperature stability, packaging, and how the food was handled.

StorageTime
Pantry / room temp2 years
Refrigerator (40°F / 4°C)2 years
After opening6 months

Can you freeze soy sauce?

Freezing soy sauce is generally not recommended. Texture, flavor, and structure change significantly when frozen, and the resulting product is often unappetizing. Refer to the storage chart above for fridge and pantry options.

What to do if…

What if my soy sauce is past the printed date?
"Best by," "sell by," and "use by" dates are quality indicators, not safety deadlines. Soy Sauce is often still safe past the printed date if stored properly and showing none of the spoilage signs above. Use your senses — sight, smell, texture — and the storage times listed in this guide.
What if it smells weird but looks fine?
Trust your nose. Smell is one of the most reliable indicators of spoilage — your nose evolved specifically to detect dangerous food. If soy sauce has any sour, ammonia-like, sulfur, or "off" smell beyond its normal aroma, discard it. Visible mold or texture changes confirm the warning.

Can expired soy sauce make you sick?

Yes — but the printed date isn't the trigger. Foodborne illness comes from bacterial growth (Salmonella, E. coli, Listeria, Staphylococcus) or fungal toxins, which depend on storage temperature and time, not the calendar date on the package.

Symptoms of food poisoning typically appear within 6–48 hours and include nausea, vomiting, diarrhea, stomach cramps, and fever. Severe cases — especially in young children, elderly, pregnant, or immunocompromised people — warrant medical attention. The safest practice: when in doubt, throw it out.

Frequently asked questions

How long does soy sauce last in the fridge?
2 years at 40°F (4°C). Lasts longer in fridge after opening
How long does soy sauce last after opening?
6 months after opening. 6 months opened in pantry; 1 year fridge
How can I tell if soy sauce has gone bad?
Look for: Mold (rare); Off smell; Strong sediment.
Can I eat soy sauce past the "best by" date?
"Best by" is a quality date, not a safety date. As long as soy sauce has been stored properly and shows no spoilage signs, it's usually safe to eat — but quality may have declined. Use your senses to judge.

Related shelf-life guides

Signs soy sauce has gone bad

  • Mold (rare)
  • Off smell
  • Strong sediment

Storage tips

  • Refrigerate after opening for best quality
  • Already preserved — very long-lasting
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Sources & review
Compiled by the BestByDates editorial team. Last reviewed: January 2025. Spotted an error? Let us know.

Disclaimer: Times shown are USDA/FDA-recommended best quality periods, not absolute safety guarantees. Storage conditions, packaging, and food handling all affect actual shelf life. When in doubt, throw it out.