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c/retatrutide·posted 3 months ago by u/tired_ledger_notes

[Lab] 17th independent test on QSC, and the trend is the interesting part

Lab Clean Column ×6 Long Haul ×2 Sourced ×1

Long-ish post, sorry. tl;dr at the bottom.

I have been tracking retatrutide against eGFR for 11 weeks because I could not find anyone who had. The correlation is weaker than I expected, which is itself mildly interesting given how confidently people link the two in here.

Caveats up front: one person, one lab, one assay, no control, and I changed my training in the middle of it, which was stupid.

tl;dr: probably real, definitely smaller than the threads imply, and not worth reorganising your week around.

3,513 up / 396 down90% upvoted48 commentsid vcen5o20 Apr 2026

48 comments

27 in this archive, depth 5

best — the order this archive was captured in

u/incretin_ivyMOD442 points·3 months ago

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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u/rohan_cardoso339 points·3 months ago

You have restated the marketing copy. What is the actual substance here.

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u/ewan_marchand111 points·3 months ago·edited

Yeah, phase 2 retatrutide is interesting but it is not comparable to phase 3 compounds.

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u/burned_once_twice88 points·3 months ago

This is correct. Triple agonism is genuinely different.

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u/divya_bakken61 points·3 months ago

TRIUMPH data is phase 2, not phase 3, smaller n and shorter

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u/titration_marshalmod · c/semaglutide73 points·3 months ago

This is correct.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/trialwatch_theotrial nerd77 points·3 months ago

phase 2 numbers are not maintenance numbers, cite the trial

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u/crosspost_bot_no22 points·3 months ago

triple agonism is dose escalation, do not generalise

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u/quiet_moderatormod316 points·3 months ago·edited

triple agonism plus glucagon is a different physiological state than GIP/GLP-1 dual

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u/cold_chromatogram_only203 points·3 months ago

triple agonism plus glucagon is a different physiological state than GIP/GLP-1 dual

Yes, exactly this, and it is the bit that took me 78 weeks to accept.

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u/tired_ledger_notesOP119 points·3 months ago

the 0.5mg arm is different from 1.0mg, results do not transfer

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u/trialwatch_theotrial nerd97 points·3 months ago·edited

the 0.5mg arm is different from 1.0mg, results do not transfer

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/reflux_report61 points·3 months ago·edited

phase 2 numbers are not maintenance numbers, cite the trial

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u/emil_agyeman30 points·3 months ago

Yeah, phase 2 retatrutide is interesting but it is not comparable to phase 3 compounds.

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[removed]24 points·3 months ago

[removed by moderator]

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u/yannick_barros164 points·3 months ago
this is why i still read c/newbiequestions
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u/incretin_ivypharmacology99 points·3 months ago

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

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u/employer_carveout-1 point·3 months ago

heart rate and dose escalation need actual measurements, not impressions

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u/reflux_report1 point·3 months ago

Slight fix: the number was 98.6, not 98.7. Decimal point, but a fairly consequential one.

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u/incretin_ivypharmacology1 point·3 months ago

Slight fix: the number was 98.6, not 98.7.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/marta_vanhecke1 point·3 months ago·edited

phase 2 numbers are not maintenance numbers, cite the trial

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u/renzo_yildiz149 points·3 months ago

Yeah, phase 2 retatrutide is interesting but it is not comparable to phase 3 compounds.

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u/divya_bakken91 points·3 months ago·edited
oh thank god it is not just me
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u/hassan_nilsen51 points·3 months ago

Which trial arm and what was the n?

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u/tired_ledger_notesOP40 points·3 months ago

nobody should be giving this to anyone without extensive monitoring

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u/sofia_wikstrom55 points·3 months ago

The heart rate signal in TRIUMPH is real and concerning. Higher doses had higher mean HR changes.

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u/tired_ledger_notesOP71 points·3 months ago·edited

This is correct. Triple agonism is genuinely different.

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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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c/retatrutide rules
  1. Retatrutide is not approved anywhere for human use. Posts must not read as usage instructions.
  2. Phase 2 numbers are not maintenance numbers. Cite the trial and the dose arm.
  3. Heart-rate and dose-escalation reports need actual measurements, not impressions.
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