The reviewed studies also noted increased production of decorin, a proteoglycan that plays a role in collagen formation and wound healing
Additionally, glutathione helps to detoxify cells, allowing for better performance and endurance
Adriane Fugh-Berman, a physician and professor at Georgetown University, also challenged the idea that allowing legal versions would eliminate this gray market
Oral products remove that barrier entirely
Centanni M, Duntas L, Feldt-Rasmussen U, Koehrle J, Peeters RP, Razvi S et al (2025) ETA guidelines for the use of levothyroxine sodium preparations in monotherapy to optimize the treatment of hypothyroidism