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c/retatrutide·posted 1 year ago by u/rui_only_ro

[Lab] split one vial across VendorInvestigate and PeptideMeter — 98.6% and 93.7%

Lab Cold Box ×7

split one vial across VendorInvestigate and PeptideMeter — 98.6% and 93.7%. I will put the method line and the batch identifier up front because that is what makes this checkable.

Hard numbers: 98.6% and 93.7%. Anything softer than that is flagged as an impression.

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.

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.

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

760 up / 246 down76% upvoted16 commentsid 14ir906 May 2025

16 comments

14 in this archive, depth 4

best — the order this archive was captured in

u/nordic_pricing115 points·1 year 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/marit_laurent0 points·1 year 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/signe_villalobos1 point·1 year ago

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.

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u/hugo_pires1 point·1 year ago

Not convinced. You are attributing a week of injection-site soreness to the glucagon arm when the escalation rate alone would explain it.

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u/sena_teixeira1 point·1 year ago

Correction: TRIUMPH is the phase 3 programme. The number you are quoting is from the phase 2 readout, which is a different trial.

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u/halima_mbeki34 points·1 year ago

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

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u/rui_only_ro17 points·1 year 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/soren_nkemelu35 points·1 year ago

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

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u/placebo_arm_pam22 points·1 year 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_roOP14 points·1 year ago·edited

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

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u/hugo_pires17 points·1 year ago

dose escalation in the trials was slow for a reason

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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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