Kayiran MA, Akdeniz N
Glutathione (GSH) is a tripeptide composed of three amino acids: cysteine, glutamate, and glycine
Giuliani V,Jiang Y,Johnson SB,Johnson TA,Kang Z,Leonard PG,Liu Z,McAfoos T,Miller M,Morlacchi P,Mullinax RA,Palmer WS,Pang J,Rogers N,Rudin CM,Shepard HE,Spencer ND,Theroff J,Wu Q,Xu A,Yau JA,Draetta G,Toniatti C,Heffernan TP,Jones P
Compare product type, supply length, active amount or concentration where applicable, and COA access
Already in effect (January 1, 2026): Standard PA decisions within 7 calendar days (down from 14) Urgent PA decisions within 72 hours Specific denial reasons required on every denial (not just not medically necessary) Applies to Medicare Advantage, Medicaid managed care, CHIP, and ACA Marketplace plans Coming March 31, 2026: Payers must publicly report PA metrics for calendar year 2025: approval/denial rates, average decision times, and appeals outcomes Providers will be able to compare payer performance for the first time Coming January 1, 2027: FHIR-based Prior Authorization APIs required providers check PA requirements, submit requests, and receive decisions electronically through their EHR Expected to reduce average PA processing time from days to minutes for standard requests Medicare WISeR Model (live in AZ and WA): The Wasteful and Inappropriate Services Reduction pilot launched January 2026 in six states including Arizona and Washington
Similarly, certain medications influence stool color and can mimic more serious conditions
