If you want to take this risk, then its on you, but be aware that technically, its smuggling, and you could land a hefty fine
A 2017 study in the Bulletin of the World Health Organization found that levels of some metals in secondhand vapor were higher than in secondhand smoke
Torti FM, Torti SV, Larrick JW, Ringold GM (1989)
Nisa CF, Blanger JJ, Schumpe BM, Faller DG
Success Quitting Smoking John had gained weight as a result of giving up smoking, however after losing over 16kg with the help of WLR he had this to say "I found giving up smoking then a quantum level more difficult than I have subsequently found limiting my eating if that is any consolation for past smokers embarking on a weight loss programme"