I realize the term "low level format" might not apply to NVME storage, but here's the situation... I've managed to recover everything I want from a stick with a corrupted filesystem. Now I'm ready to ...

How do I format a hard drive? A computer hard drive stores your files, allowing you to access them at any time. The majority of the time, you want these files to remain stored properly and safely.

You don't really low level format it, you just use a program that will write over all the data on the drive a few times to erase it. Google for "disk wipe", and also ...