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c/retatrutide·posted 8 months ago by u/yannick_barros

reading retatrutide threads from 2024 and half of it aged badly

Caution Cold Box ×3 Slow Clap ×2 Clean Column ×2

reading retatrutide threads from 2024 and half of it aged badly. Not a hot take, just something I have not seen said plainly here.

The thing that surprised me was how much of the discussion here is inference rather than measurement.

Watched heart rate on a wearable across twelve weeks because the threads said to. It moved a little and I have no idea whether that means anything.

Read the phase 2 paper twice before ordering anything. Recommend that to anyone in this board: the error bars are the interesting part.

I will update this if the picture changes rather than quietly leaving it up.

3,088 up / 295 down91% upvoted18 commentsid y4vsp029 Nov 2025

18 comments

13 in this archive, depth 5

best — the order this archive was captured in

u/noor_ivaturi308 points·8 months ago

It is a triple agonist at the GLP-1, GIP and glucagon receptors. The glucagon arm is the genuinely novel component and it is the one with the least human outcome data behind it.

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u/deleted_my_history70 points·8 months ago

Phase 2 estimates effect and finds a dose range. Phase 3 estimates it precisely in a bigger population and catches what phase 2 was too small to see. Treating them as the same tier of evidence is the recurring error here.

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u/signe_villalobos105 points·8 months ago

phase 2 data only, and people quote it like it is a label

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u/cold_chromatogram_only219 points·8 months ago

Yes — the comparison threads are apples to oranges and they generate more heat than anything else here.

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u/yannick_barrosOP157 points·8 months ago

triple agonist — GLP-1, GIP and glucagon, and the glucagon arm is the new part

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u/reflux_report89 points·8 months ago

Right, and it bears repeating that nothing here is approved anywhere and research material is not for human use.

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u/nausea_notesside effects44 points·8 months ago

the TRIUMPH programme is still running, so anything definitive is premature

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u/marit_laurent12 points·8 months ago

Has anyone posted an independent test on this compound recently?

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u/marta_vanhecke23 points·8 months ago

the energy-expenditure story is mechanistically interesting and clinically unproven

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u/honest_syringe339 points·8 months ago

Small fix — three receptors, not two. GLP-1, GIP and glucagon, and the third one is the reason this compound gets its own board.

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u/niels_lindqvist10 points·8 months ago

not approved anywhere, which is the single most important fact in this board

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u/employer_carveout4 points·8 months ago

the phase 2 numbers were striking and they were also 48 weeks in a small population

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u/ewan_marchand176 points·8 months ago

Glucagon receptor agonism is associated with increased energy expenditure and with hepatic effects. That is a mechanistic story with strong preclinical support and limited phase 2 human data.

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About c/retatrutide

Retatrutide: GIP/GLP-1/glucagon triple agonism, the TRIUMPH programme, and the fact that most people discussing it are handling research-grade material with no human-use approval anywhere. Dose-response, heart-rate signal, and the unusually steep phase-2 weight curves get argued about here weekly.

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