dulaglutide vs semaglutide weight loss vs. Semaglutide: Differences and Similarities Between the Two Medications GLP-1 Medications for Weight Loss:

doi: 10.1177/2042018820938305 198 Torres FernandezEDHuffmanAMSyedMRomeroDGYanes CardozoLL

DSIP was shown to significantly increase the rate of ADP phosphorylation (ADP/t) by 10-30%

61 Medullary thyroid cancer There is a theoretical increased risk of medullary thyroid cancer (MTC) as preclinical studies showed a link between GLP-1 receptor agonism to the development of C-cell hyperplasia and MTC in rodents

BCBS of Illinois does not cover Ozempic for weight loss under any line of business

The Research: Two Studies, One Conclusion Stanford Medicine researchers published findings in Genome Medicine (March 2026) identifying PAM gene variants particularly p.S539W and p.D563G that cause a phenomenon they call "GLP-1 resistance." People with these variants produce higher levels of GLP-1 hormone but get less biological effect from it

Body weight can influence dosing for some compounds, but many longevity-protocol formats use a fixed dose within a typical range rather than a weight-based one