Need help with gym and diet

[ngaera]

I am a 38kg 13 year old male. I have not fully hit puberty yet, as I have my dad's "late bloomer" genetics. I wasted the last year of my life being addicted to 7OH/opioids and doing other drugs like cocaine, xanax, adderall etc. I have finally overcome that addiction but now I need help rebuilding my life, as I stopped working out, lost my girlfriend, and lost some growth as a result of appetite suppression from the drugs.
This is my current stack:
Latisse
10g creatine monohydrate
25mg zinc
240mg magnesium glycinate
125mcg D3+100mcg K2
0.75mg anastrozole
3mg melatonin (on gym days)
0.1mg clonidine HCL

I go to the gym 3 times a week on Monday, Wednesday, and Friday. Monday is a push day, Wednesday is a pull day, and Friday is leg day. I also have a RPE installed and I have headgear that goes with it. My dad is a dentist, so he did everything I wanted for me.

I would appreciate any tips on diet, gym, my stack, etc