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c/retatrutide·posted 4 days ago by u/sena_teixeira

[Caution] this is not approved anywhere and half this community forgets that

Caution Clean Column ×5

Posting this as a discussion rather than a claim: this is not approved anywhere and half this community forgets that.

What the glucagon arm is doing, as best anyone can say from public data.

GLP-1 and GIP agonism cover appetite and insulin secretion in ways that are now reasonably well characterised. Glucagon receptor agonism is the third leg and it is associated with increased energy expenditure and with effects on hepatic fat.

Mechanistically that is why this compound reads as a different proposition rather than a stronger version of a dual agonist. Clinically, the size and durability of that difference in humans is precisely what is not yet established, and anyone telling you otherwise is filling a gap with confidence.

Where the evidence actually stands, since every thread here assumes a different answer.

Phase 2 reported a large mean body weight change at 48 weeks across a few hundred participants with a slow, protocol-driven escalation. The effect size was striking. The confidence intervals were wide, the population was small, and the duration was under a year.

Phase 3 is running. Until it reports, everything else — including the ranking arguments this board loves — is extrapolation from a small study. That is not a criticism of the compound; it is a description of the evidence.

Stopped at a low step because there was no reason to go further and no data to tell me what further would do.

Happy to answer the boring questions. Those are usually the ones worth asking.

855 up / 176 down83% upvoted15 commentsid 1jsyz126 Jul 2026

15 comments

8 in this archive, depth 5

best — the order this archive was captured in

u/freya_baptista126 points·2 days ago·edited

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/cold_chromatogram_only108 points·3 days ago

What is the source for that figure — the published paper or a summary of it?

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u/lane_watchermod · logistics58 points·2 days ago

That reads as a titration plan for an unapproved compound. This board cannot host that and it should not want to.

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[deleted]41 points·2 days ago

[deleted]

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u/marit_laurent24 points·1 days ago

Same read. The energy-expenditure mechanism is the interesting bit and it is not established in humans at scale.

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u/incretin_ivypharmacology9 points·1 days ago

nothing here is available as a prescription product, so read every thread with that in mind

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u/nadia_norgaard4 points·1 days ago

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

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u/kavya_kravchenko13 points·1 days ago

Not convinced. You are attributing a week of sulphur burps to the glucagon arm when the escalation rate alone would explain it.

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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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