Beverages
How long do powdered drink mixes last?
Sealed drink and diet powder mixes hold 18–24 months, but an opened tub drops to 1–3 months — scoop with a dry spoon and press the lid down hard.
Pantry, from purchase
How long does it keep?
| Pantry, from purchase | 18–24 months |
|---|---|
| Pantry, opened | 1–3 months |
Can it sit out?
Powdered drink mixes is shelf-stable, so sitting out at room temperature isn’t the safety question — storage time is.
How to tell if powdered drink mixes has gone bad
- Powder set into a hard cake you have to chip at
- A rancid or stale smell off the milk and protein solids
- Lumps that won’t dissolve, leaving grit at the bottom of the glass
When in doubt, throw it out.
Leave the desiccant packet in the tub — it’s the only thing standing between the powder and the humidity in your kitchen.
Quick answers
How long do powdered drink mixes last?
Sealed drink and diet powder mixes hold 18–24 months, but an opened tub drops to 1–3 months — scoop with a dry spoon and press the lid down hard.
How long can powdered drink mixes sit out?
Sitting out at room temperature isn’t the safety question for powdered drink mixes — storage time is.