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ForumsRetatrutide & Triple AgonistsEnergy expenditure increase from GCG component — what worked for you?

Energy expenditure increase from GCG component — what worked for you?

SaraMom3 Mon, Jul 21, 2025 at 5:36 AM 12 replies 1,380 viewsPage 1 of 3
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SaraMom3
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Jul 21, 2025 at 5:36 AM#1

Reading the retatrutide phase 2 data properly rather than the headline, and the 24% figure is doing a lot of work that the confidence interval does not support as firmly as people think.

What I am after is what the phase 2 dropout pattern implies about how the phase 3 tolerability will read.

Numbers rather than impressions, if you have them.

27 22BethLabQueen, ChrisMacros, KetoKyle and 24 others
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Dr.CardioMD
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Jul 21, 2025 at 6:29 AM#2

Answering the narrow version, because the broad one does not have a single answer. Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third retelling.

26 21Dr.NephBHM_UK, kim_atl_prep, sarah_TO and 23 others
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carlos_SATX
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Jul 21, 2025 at 7:22 AM#3
Dr.CardioMD said:
Most of what circulates confidently in this community traces back to one summary of one study, and the qualifier was dropped somewhere in the third…

Dr.CardioMD has the substance of this right. The condition it depends on is worth stating. The glucagon component looks paradoxical and is not. Glucagon receptor agonism raises energy expenditure and drives hepatic fatty-acid oxidation, and its hyperglycaemic tendency is offset by the GLP-1 arm's insulin secretagogue effect. Net result: intake down from GLP-1/GIP, expenditure up from glucagon, glycaemia neutral or improved. It is a balancing act, and it is why the liver-fat results are the most interesting part of the dataset.

25 20Dr.BariatricHTX, LindaRN_retired, tommy_boulder and 22 others
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chris_chi24
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Jul 21, 2025 at 8:15 AM#4
SaraMom3 said:
Reading the retatrutide phase 2 data properly rather than the headline, and the 24% figure is doing a lot of work that the confidence interval does…

Same pattern here, and in the same order.

Last edited: Jul 21, 2025 at 11:15 AM
24 19PurityPaulOR, MaxMetOK, MounjBrad and 21 others
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hyun_seoul
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Jul 21, 2025 at 1:18 PM#5

From the other side of the consultation, briefly. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.

Last edited: Jul 21, 2025 at 5:18 PM
23 18LipidDoc_ATL, BariatricNurseD, MASHdoc_SA and 20 others
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