I don't know that winny is special for "cutting" or dropping fat while retaining muscle (if that's what you mean) but for aesthetics it's really incredible. Makes a 12% body fat look like 10%. Shoulders look great and just general body. Combined with tren I don't think it's beatable - mind you I'm not a BBer but who doesn't enjoy looking good and many BBers would concur.
I'm now late 40s and no issue with winny (first ran it in early 20s and still love it). I do make sure I have 100-200mg of deca in me at a minimum which is pretty standard for me and joints anyway. No joint issues. Gives me energy/I feel good, productive and energized on it. Makes me strong and faster even at 25mg ED though I think 50ED is probably needed to maximize aesthetics. All you can do is try. That said, it's a dht, may hit E2, and definitely plays with water in your system so before slamming a max dose I'd make sure my test/deca whatever was at or near saturation (I have this issue with mast too even enanthate ester as it impacts E2 fast so I scale up or start it later in cycle).