Ketostix, and basically all diagnostic strips of any kind will expire quicker once the seal on the bottle has been openend, and can be speedup by moister/humidity (like keeping them in a bathroom). Keep them stored in a cool dark place were the temperature is relitivly even (usually between 2 - 30 degrees celcius). Make sure the cap is well sealed very securly to keep out air/moister.

I am thinking there should have been an expiry date on the bottle you purchased, but maybe it was on the outside packaging (box) of this item.

I don't really feel you need Ketostix unless you are having problems losing the weight and need to test if you are in Ketosis.


Sccuffy