I bring this up every decade because I haven't been able to find (many) supporting studies.

Chilis. Nibble a Thai bird chili instead of facing a nicotine fit. Sip some Tabasco if you must.

I quit this way, and the point is not burning your mouth or the heat. It’s the endorphin complement.

Tobacco products out. Capsaicin products in.

https://pmc.ncbi.nlm.nih.gov/articles/PMC10742298/

Nice side effect of waking you the fuck up when the heat hits you as well.