A diminished cellular response to iron ions may facilitate iron accumulation and lipid peroxidation, consequently increasing the risk of ferroptosis [23]
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PMC 1559654
A spokesperson for Eli Lilly, which produces Zepbound and Mounjaro, told The Independent that Zepbound and Mounjaro autoinjectors and Zepbound vials are approved for single-use onlydose-splitting or microdosing is not contemplated by the FDA-label and may pose patient safety risks. Novo Nordisk, which produces Ozempic and Wegovy, told The Independent the company "[does] not condone the misuse of our products." The company noted it is concerned about non-FDA approved knock-off versions of semaglutide and sources spreading misinformation about GLP-1s to the public. The FDA warns that using unapproved versions of GLP-1 drugs can be risky for patients. This story was updated on September 4, 2025 to include responses from Eli Lilly and Novo Nordisk Join our commenting forum Join thought-provoking conversations, follow other Independent readers and see their replies Comments

Ethical considerations: equity of access to life-extension therapies, off-label usage, anti-ageing claims and regulatory scrutiny
CircPIP5K1A acts as a ceRNA to downregulate miR-661, which in turn targets IGFBP-5 expression