Here’s a taste of the medical literature that discusses LDN
Arthritis Rheum. 2013 Feb;65(2):529-38. Low-dose naltrexone for the treatment of fibromyalgia: findings of a small, randomized, double-blind, placebo-controlled, counterbalanced, crossover trial assessing daily pain levels. Younger J1, Noor N, McCue R, Mackey S.
Front Immunol. 2017; 8: 809. Naltrexone Inhibits IL-6 and TNFα Production in Human Immune Cell Subsets following Stimulation with Ligands for Intracellular Toll-Like Receptors Rachel Cant,1,* Angus G. Dalgleish,1 and Rachel L. Allen1