See the 2026 updates section of this guide for the complete breakdown with source citations
A total of 569 patients out of 8803 (6.5%) receiving semaglutide experienced this outcome as compared to 701 patients out of 8801 (8.0%) receiving placebo (between-group difference of 1.5%)
Cigna's list is unusually generous: "hypertension, type 2 diabetes, dyslipidemia, obstructive sleep apnea, cardiovascular disease, knee osteoarthritis, asthma, chronic obstructive pulmonary disease, metabolic dysfunction-associated steatotic liver disease/non-alcoholic fatty liver disease, polycystic ovarian syndrome, or coronary artery disease." The medication is used "concomitantly with behavioral modification and a reduced-calorie diet." Two details work in your favor
Clinical trials show IV glutathione at 600mg twice weekly reduces melanin index by 1522% over 812 weeks, while oral glutathione at 5001000mg daily shows 26% reduction or no measurable effect
However, it cant prove a direct cause-and-effect relation