is selenium is part of the glutathione peroxidase enzyme system selenium-dependent antioxidant peroxidases Team:UNSW Australia/Model/Glutathione System
Description
I spent a few weeks reading clinical studies before deciding to try it

The effects of synbiotic supplementation on thyroid function and inflammation in hypothyroid patients: a randomized, double-blind, placebo-controlled trial

That would be my max

doi: 10.1016/j.semcdb.2020.08.001
