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Extended Data Fig

The inclusion of benzyl alcohol serves as a bacteriostatic preservative, which inhibits the growth of potentially contaminating bacteria

It circulates endogenously in plasma, saliva, and urine, where it works as a signalling molecule rather than a structural protein fragment

doi: 10.1016/j.ghir.2009.12.001 41 Nijenhuis-NoortECBerkKANeggersSLelyAJV

This is encouraging but limited - animal results do not always carry over to humans, and this is one study, not a body of evidence

Because retatrutide already contains three receptor activities, combining it with an amylin analogue is a research hypothesis without supporting evidence, and nothing here should be read as a suggestion to combine them