Welcome Joe/Jack & Joe.

Golf eh? A friend of mine wrote a book about it and it's now turned into a movie - so he's well chuffed.

Cold turkey is not a given, but the risk is real, so weaning off is always a good idea.

Benfotiamine is a more potent form of thiamine: vitamin B1. It was once the treatment of choice for some forms of PN, and there are a lot of members here who use it to great success. If is available OTC. I use it too, 300mg/day FWIW.