Hi midashomes64
Welcome to NeuroTalk

.
Some members have used LDN. If you use the Search function (
https://www.neurotalk.org/search.php) with naltrexone as a search string you will be able to find threads where it has been discussed.
These two papers may also be of interest to you.
Low-Dose Naltrexone (LDN)—Review of Therapeutic Utilization
The use of low-dose naltrexone (LDN) as a novel anti-inflammatory treatment for chronic pain
Best wishes.