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c/retatrutide·posted 2 months ago by u/careful_gradient32

[Discussion] can we stop arguing about retatrutide until somebody posts a number

Discussion Clean Column ×5 Well Actually ×1

can we stop arguing about retatrutide until somebody posts a number, and I want the answer with the reasoning attached rather than just the conclusion.

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.

Kept a log specifically because there is so little published. It is one person and it is not data.

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

Research-use-only material is not approved for human use and nothing here should be read as a recommendation to use it.

1,759 up / 334 down84% upvoted29 commentsid vmb3co29 May 2026

29 comments

14 in this archive, depth 5

best — the order this archive was captured in

u/incretin_ivyMOD216 points·1 months ago

Standing reminder in every thread here: unapproved compound, research material is not for human use, nothing on this board is medical advice.

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u/mateusz_mensah53 points·1 months ago

Increases in heart rate have been reported across this receptor class. The magnitude and clinical significance are exactly what phase 3 is powered to establish.

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u/lane_watchermod · logistics15 points·1 months ago

Nothing containing this compound is approved anywhere. Research-use-only material is not approved for human use, and that is a statement of fact rather than a disclaimer.

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u/honest_syringe3397 points·2 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/fabio_lehtinen99 points·2 months ago

Sceptical of the extrapolation. Forty-eight weeks does not tell you about seventy-two, and the curve shape is exactly what is unknown.

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u/andres_restrepo0 points·2 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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u/dead_space_doug1 point·1 months ago

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

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u/nikhil_asante1 point·1 months ago

a lot of the confident posting here is extrapolation

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u/careful_gradient32OP1 point·1 months ago

Sent a vial to Medutest out of curiosity. Result was 97.4% against a claimed 97.0%, which is the first independent number I had seen for this compound anywhere.

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u/jarno_cabrera49 points·2 months ago

Went up slowly, deliberately, because everything on this board says the escalation is where trouble lives. Uneventful so far and I am not going to pretend that is a finding.

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u/freya_baptista38 points·2 months ago

Are you comparing against phase 3 numbers for something else? They are not comparable.

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u/blunt_coldbox_20249 points·2 months ago·edited

Which phase 2 arm are you quoting, and at what week?

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u/signe_villalobos7 points·2 months ago

Which phase 2 arm are you quoting, and at what week?

Disagree with this specific inference. A 48-week readout does not tell you the shape of the curve after it.

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u/incretin_ivypharmacology2 points·2 months ago·edited

The nausea profile felt different rather than worse. Hard to describe and impossible to quantify, so take it as an impression.

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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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