The longer answer is that not only does it expire, how you store it can make a big difference in how well it works even before that expiration date
Practical Relief Strategies: Hydration, Timing, and Dosing Approaches Evidence-based headache management during semaglutide therapy includes increasing daily water intake to 2.5-3 liters, taking injections in the evening rather than morning, and ensuring adequate food intake post-injection
Exosome formation increased after GPX4 inhibition, which contained prominin and TSG101, as well as ferritin, while blocking the export of exosomes resulted in the accumulation of iron, indicating that in the state of cellular oxidative stress, prominin 2 can promote the formation of iron-containing exosomes and transport intracellular iron to the extracellular space, thereby enhancing cell resistance to ferroptosis [75]
Cost vs benefit: Given modest effect, the return may be limited compared to healthy habits (diet, sleep, sun protection)
It is not a medication to be casually bought by anyone simply wanting to lose some weight
1, 25-DihydroxyVitamin D3 suppresses UV-induced poly (ADP-ribose) levels in primary human keratinocytes, as detected by a novel whole-cell ELISA