This article is based exclusively on publicly available materials, including the official RxSpan MD website, the brand's published Terms of Service, Notice of Privacy Practices, and Telehealth Medical Consent, and category-level guidance on telehealth and compounded GLP-1 medications
3 In January 2026, the FDA published the largest review to date, analysing 91 placebo-controlled GLP-1 trials covering 107,910 patients alongside a real-world cohort study of 2.2 million patients
Whether affecting skin, liver, lungs, or nervous system tissue, the underlying mechanism involves similar gene expression changes that promote regeneration and reduce damage accumulation
Results vary, but visible skin brightening may take 4-12 weeks depending on dosage and skin type