Per USDA FoodKeeper
On the counterCounter
3–4 months
cool, dry place
In the fridgeFridge
Not needed
shelf-stable
In the freezerFreezer
Not needed
keeps without freezing
On the counterCounter
2 years
cool, dry place
In the fridgeFridge
Not needed
shelf-stable
In the freezerFreezer
Not needed
keeps without freezing
Quick answer
Yes. Textured soy protein (dry) lasts 3–4 months in the pantry. After that, or sooner if stored badly, it spoils: watch for the signs below.
How to tell if textured soy protein (dry) is bad
Smell
Sour, yeasty or 'off' instead of how it smelled when cooked.
Texture
Slimy film, or liquid separating where it should not.
Colour
Dull or darkened patches, or any discoloured spots.
Mould
Any fuzzy growth — discard the whole container, not just the spot.
Textured soy protein (dry) past the expiration date
Unopened
FoodKeeper gives unopened textured soy protein (dry) 2 years in the pantry, counted from the day you buy it. "Best-by" and "sell-by" describe quality and stock rotation, not safety; only infant formula carries a federally required use-by date.
Opened
Once opened, the printed date no longer applies. Count 3–4 months in the pantry from the day you open it.
How to keep textured soy protein (dry) fresh longer
- Refrigerate within 2 hours of cooking (1 hour above 90°F) in shallow, airtight containers.
- Keep the fridge at or below 40°F (4°C); the door shelf is the warmest spot.
- Reheat leftovers to 165°F (74°C) and only reheat what you will eat.
More about textured soy protein (dry)
FAQ
How long does it take for textured soy protein (dry) to go bad?
3–4 months in the pantry, per USDA FoodKeeper.
Can textured soy protein (dry) expire?
FoodKeeper gives unopened textured soy protein (dry) 2 years in the pantry, counted from the day you buy it. "Best-by" and "sell-by" describe quality and stock rotation, not safety; only infant formula carries a federally required use-by date.
What happens if you eat bad textured soy protein (dry)?
Usually an unpleasant taste rather than illness, but discard anything mouldy, rancid or smelling off.
How do you keep textured soy protein (dry) from going bad?
Refrigerate within 2 hours of cooking (1 hour above 90°F) in shallow, airtight containers.
Numbers on this page come from USDA FoodKeeper and FSIS guidance. Last verified November 2026. How we verify our data · Report a wrong number