Let's start with diet breakdown
What you eat
What's your tdee and how far from it are you. Have you reverse dieted to hit metabolic capacity?
Did you try any opioid antagonist. Naloxone? My friend was in a similar situation and was prescribed that and aided his recovery with messed up hormones (shut down. But he was an addict and it helped in a few ways. The mechanism is a little unconventional)