Vegetarian Proteins

How long does dry textured soy protein last in the pantry?

2 years
Pantry, from purchase — USDA FoodKeeper guidance for textured soy protein ((tsp))

A sealed bag of dry textured soy protein holds 2 years in the pantry, dropping to 3–4 months once opened — tip it into a sealed jar the day you break the bag.

How long does it keep?

Pantry, from purchase 2 years
Pantry, opened 3–4 months

Can it sit out?

Dry textured soy protein is shelf-stable, so sitting out at room temperature isn’t the safety question — storage time is.

The 2-hour rule, in full →

How to tell if dry textured soy protein has gone bad

  • A rancid, oily smell off the dry granules
  • A stale cardboard taste once it is hydrated
  • Granules clumped or patched damp
  • Webbing, larvae, or fine dust in the bottom of the bag

When in doubt, throw it out.

Quick answers

How long does dry textured soy protein last in the pantry?

A sealed bag of dry textured soy protein holds 2 years in the pantry, dropping to 3–4 months once opened — tip it into a sealed jar the day you break the bag.

How long can dry textured soy protein sit out?

Sitting out at room temperature isn’t the safety question for dry textured soy protein — storage time is.