If you can get VG which should be possible. And you can get tobacco. You could in theory make your ejuice using the tobacco to get your nicotine. Here's a video of a guy that did just that.
https://www.google.com/url?sa=t&sou...75t1-IcVbtVd6hzhw&sig2=H78ou89CiV7ydlrZitI9AA
https://www.google.com/url?sa=t&sou...75t1-IcVbtVd6hzhw&sig2=H78ou89CiV7ydlrZitI9AA