Both those. And butter, avocado oil, coconut oil and numerous other more niche
https://www.google.com/amp/s/www.forbes.com/sites/ceciliarod...
I specifically buy California olive oil because external attempts to verify (eg genetic assays) have found it actually is what it says it is.
For a long time, I was able to get California Olive Ranch (which was generically fine), but that brand has switched to a blend from various countries.
Why would it be unhealthy if the fat used is not unhealthy?
https://en.wikipedia.org/wiki/Template:Smoke_point_of_cookin...
In the uk I often find non-virgin coconut oil hidden in the Caribbean section of a big supermarket.
Sunflower oil doesn't do that, and is healthier.