How long vegetarian proteins last

5 foods. Times from the U.S. government's USDA FoodKeeper data.

Food	Fridge	Freezer	Pantry
Miso	1 year	Not recommended	—
Re-hydrated textured soy protein	3–4 days	—	3–4 months
Soy flour	6 months	—	2 months
Textured soy protein	—	—	2 years (3–4 months once opened)
Tofu	1 week	5 months	—

Keep the fridge at 40°F (4°C) or colder and the freezer at 0°F (−18°C). Write the date on containers when you open or cook something.

Source: USDA FoodKeeper data. Updated 2026-10-13.