Hey, I've been lifting for roughly five years now and am looking to take it to the next level. Nothing dangerous or extreme, i've just never taken supplements other then whey and i want to become more aesthetically pleasing.

I'm 17 (I mostly ran and did workouts using my bodyweight {pushups/pullups/and such} untill i turned 15)
Weight: 160
Height 5 11

Bench: 285
Squat: 355
Clean: 225

Pullups (dead hang): 27
Pushups (chest to ground): 91

Money is not an issue. Can somebody please reccommend me a supplement stack or various supplements that would help me gain around 20lbs of muscle by april/may?

Thank you!!