gcel intracellular glutathione Oral administration of γ-glutamylcysteine increases levels above homeostasis in a randomised human trial pilot study by Systemic Formulas – gcel intracellular glutathione metabolic pathways.

Buccellato FR, DAnca M, Fenoglio C, Scarpini E, Galimberti D (2021) Role of oxidative damage in Alzheimers disease and neurodegeneration: from pathogenic mechanisms to biomarker discovery

Medicare generally allows separate billing of the administration code when the injection is the primary reason for the visit

Desert Mobile Medical offers a physician-led, telemedicine-only peptide program that delivers precision dosing, concierge support, and high-purity compounded peptides shipped straight to your door

No randomized, placebo-controlled, peer-reviewed efficacy study in any indication has been published

He frames it as triggering collagen production, repairing tissue, and helping regrow thinning hair (source)