I did some workouts to try to prevent muscle loss, including biking to work (3 days per week), a relatively hard 2 hour hike (once per week), two sets of ~15 pushups, and as many sets of 1-3 pullups as I remembered to do
Ethical considerations: equity of access to life-extension therapies, off-label usage, anti-ageing claims and regulatory scrutiny

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

A diminished cellular response to iron ions may facilitate iron accumulation and lipid peroxidation, consequently increasing the risk of ferroptosis [23]
Reconstituting only enough for four weeks at a time and keeping the remainder as lyophilized powder is the optimal approach