fda warning letters compounded semaglutide tirzepatide 2025 Issues 30 to Telehealth Firms Over Misleading GLP-1 Marketing FDA Drug Recalls and Warnings:

There was a negative correlation between pancreatic glucagon content and basal plasma glucagon (ESM Fig

Understanding these mechanisms helps contextualize why hair changes might occur during treatment with weight loss medications like tirzepatide, even if the medication itself is not directly affecting hair follicles

GLP-1 medications reduce inflammation and improve metabolic health, which can decrease chronic immune activation, one of the major drivers of accelerated aging in people with HIV

Difficulty swallowing (dysphagia) or pain when swallowing, which may indicate oesophageal complications and requires urgent assessment at any age

Copper toxicity Though its unlikely, copper peptide skin care products may lead to potential copper toxicity if not used as directed by the manufacturer (or if multiple copper-containing products are used together)