In semaglutide, the most important single modification is the substitution of alanine with Aib at position 8 of GLP-1, a change that transforms the molecular behavior of the peptide (the other critical modification which we wont discuss here is the attachment of a fatty acid chain that improves binding of the drug to serum albumin, greatly prolonging its half-life)
Volume 88, Issues 1112, 14 March 2011, Pages 535-542 Chang, C.-H., Tsai, W.-C., Lin, M.-S., Hsu, Y.-H., & Pang, J.-H
If you lose weight, then youre more mobile, you have less inflammation, and youre at a lower risk of venous thrombosis, he says
Do not make assumptions about safety Exceeded in-use storage period Discard the pen according to local waste disposal guidelines for sharps and medications Clinical implications of using degraded medication may include inadequate glycaemic control in diabetes management or reduced weight loss efficacy