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c/retatrutide·posted 1 months ago by u/baseline_drifter

retatrutide is the most under-discussed thing on this board

Results Receipts ×2 Cold Box ×3

retatrutide is the most under-discussed thing on this board — a position I have arrived at slowly and would like tested.

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.

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.

Independent purity testing on this compound is thin compared with the older molecules, simply because fewer members have paid for it. Fewer results means wider uncertainty, not a verdict.

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

2,641 up / 298 down90% upvoted66 commentsid u8d2vt17 Jun 2026

66 comments

26 in this archive, depth 6

best — the order this archive was captured in

u/renzo_yildiz-21 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/ledger_modMOD1 point·1 months ago

Trial names corrected in the title. The phase 3 programme and the phase 2 readout are not the same thing.

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u/yannick_barros225 points·1 months ago

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

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u/rui_only_ro145 points·1 months ago

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

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u/baseline_drifterOPanalytical78 points·1 months ago

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

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u/nikhil_lindqvist62 points·1 months ago

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

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u/baseline_drifterOPanalytical46 points·1 months ago

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

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u/kofi_balogun64 points·1 months ago

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

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u/reta_and_regret64 points·1 months 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/jarno_cabrera86 points·1 months ago

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

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u/reta_and_regret71 points·1 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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[removed]51 points·1 months ago

[removed by moderator]

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u/quiet_moderatormod35 points·1 months ago

Agreed on the heart-rate reports. They are consistent enough across the threads to be worth noting, not enough to be a finding.

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u/kofi_balogun27 points·1 months ago

the glucagon component is why the metabolic story reads differently

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u/customs_seizure_sid52 points·1 months ago

Careful with the rankings. A phase 2 result and a phase 3 result are not on the same evidential footing and cannot be listed in one table.

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u/aa_analysis_andy87 points·1 months ago·edited

Push back: quoting the phase 2 headline as an expected outcome is not a fair reading of a small trial with wide intervals.

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u/clara_weiss58 points·1 months ago

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.

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u/placebo_arm_pam47 points·1 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/rohan_cardoso46 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/titration_marshalmod · c/semaglutide36 points·1 months ago

The phase 2 readout ran to 48 weeks in a few hundred participants with a slow escalation. Both the size and the duration matter when people quote the headline number.

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u/marta_vanhecke12 points·1 months ago

Cosigning the escalation point. Almost every difficult report on this board is from somebody who went up quickly.

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u/divya_bakken24 points·1 months ago

Has anyone posted an independent test on this compound recently?

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u/sena_teixeira13 points·1 months ago

Disagree. "More receptors means more effect" is not how any of this works and the trial data does not support the linear story.

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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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