How long does Tzatziki last?
How long does Tzatziki last? fridge 3–5 days. Plus spoilage signs, sources, and an unopened-vs-opened note.
Quick answer
Sealed / unopened: Check date
Signs Tzatziki has gone bad
- Sour or rancid dairy smell.
- Bitter taste.
- Watery layer that won't stir back in, or mold.
Still good if
- A thin watery layer from the cucumber is normal — pour it off and stir.
Discard immediately if
- Any mold growth
- Container is bulging or hisses when opened
- Sharp sour smell beyond expected acidity
Why guidance varies
Vinegar, salt, sugar, and acidity content vary widely by brand and formulation — natural and reduced-sugar versions spoil 2–3× faster than traditional ones.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Tzatziki last?
In the fridge: 3–5 days. Sealed / unopened: Check date. Strain the grated cucumber well before mixing to slow watering-out. Store in a cold zone, not the fridge door.
How can you tell if Tzatziki has gone bad?
Signs that Tzatziki has gone bad: Sour or rancid dairy smell; Bitter taste; Watery layer that won't stir back in, or mold. Still good if: A thin watery layer from the cucumber is normal — pour it off and stir.
What does the date label on Tzatziki mean?
Tzatziki usually carries a "Best By" date. A quality marker — the product is at peak quality before this date, but it’s safe to eat afterward if stored correctly. See our date-labels guide for the full breakdown.
Sources for this answer
- A USDA FoodKeeper — Storage windows and refrigeration guidance for this category.
- A FDA — Are You Storing Food Safely? — Date-label interpretation and food-safety baseline.