Hi Reddit and welcome! I like your username because I have a red dog:-)
I think its great you are getting the jump on this...the standard info is to always consult your doctor...I was a heavy drinker and didn't even know to talk tobacco Dr when I quit...I was fine except for someaches and bad sleep coupled with nightsweats. Some are more sensitive...you only know when you are there.
I am not in any group or program outside of SR and I feel pretty good about my sobriety. The thing I think I have going for me is that I did a lot of "work" on myself before getting sober and I am continuing on that path now...I don't think working on yourself is something that only alcoholics have to do...I think it would benefit everyone.
Posting here is also a huge help:-)