Almost every single extra virgin olive oil blog online will tell you to store your olive oil in a dark bottle, preferably somewhere cool with very little light.
The truth is that if you are in possession of a few bottles of ultra premium extra virgin olive oil, this is simply not necessary.
Here’s the catch. You actually have to be drinking authentic extra virgin olive oil for this to apply.
Precaution aside, the main reason that large industrial producers of olive oil sell their wares in dark tinted bottles is that they are often cut with industrial seed oils that spoil easily.