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c/glp1science·posted 4 months ago by u/anders_kuusela

[Question] gastric emptying — what am I missing here

Question The Quiet One ×4 Well Actually ×3

Week 19 update. 25kg down from the start, reflux basically gone since about week 59.

Things that worked: consistency, protein at breakfast, walking more than I want to. Things that did not: everything I bought on the internet to help with reflux.

The part that surprised me is how much of this is admin. Ordering, storing, logging, remembering. Nobody mentions that the hard bit is not the drug, it is the routine.

Happy to answer anything. Please do not ask me what dose you should be on.

1,877 up / 230 down89% upvoted52 commentsid x3z8ej11 Mar 2026

52 comments

30 in this archive, depth 5

best — the order this archive was captured in

u/gustav_vermeulen201 points·4 months ago

Three years on this site and the questions have not changed at all. Which is depressing or reassuring depending on the day.

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u/santiago_rasmussen98 points·4 months ago

Respectfully this is a sample of one presented as a finding.

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u/gastric_emptying_g132 points·4 months ago

Which paper are you quoting?

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u/vikram_mbeki62 points·4 months ago·edited

the half-life is receptor, affects steady state timing

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u/rina_bergstrom42 points·4 months ago

the 14-day half-life means week 14 is still ramp-up pharmacokinetically

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[deleted]43 points·4 months ago

[deleted]

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u/employer_carveout24 points·4 months ago

Yeah, the incretin mechanism is doing the work here.

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u/camila_lindqvist8 points·4 months ago

the 15-day half-life means week 15 is still ramp-up pharmacokinetically

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u/amara_dziedzic8 points·4 months ago

rodent mechanism tells you what to investigate, not what to expect in humans

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u/devils_advocate_d63 points·4 months ago

This is correct. Rodent data is investigational, not predictive.

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u/noor_hovland138 points·4 months ago

Strongly agree. Central appetite is real but people overstate it.

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u/sanne_delgado112 points·4 months ago

gastric emptying is real and explains most early muscle cramps

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u/anya_salgado53 points·4 months ago

Strongly agree. Central appetite is real but people overstate it.

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u/hassan_ostergaard0 points·4 months ago

Three years on this site and the questions have not changed at all. Which is depressing or reassuring depending on the day.

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u/gastric_emptying_g1 point·4 months ago

mechanistic speculation is welcome if flaired as speculation

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u/anders_kuuselaOP1 point·4 months ago

central appetite signalling is real but people overweight it

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u/flair_enthusiast-37 points·4 months ago

mechanistic speculation is welcome if flaired as speculation

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u/anders_kuuselaOP1 point·4 months ago

Stomach physiology changed when I moved up to 10mg. Gastric emptying lag is the whole story.

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u/signe_boateng1 point·4 months ago

The confident tone is doing a lot of work that the evidence is not.

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u/runa_cabrera65 points·4 months ago

I love that this community will spend 40 comments on a detail. That pedantry is why the numbers here matter.

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u/camila_lindqvist45 points·4 months ago

This is correct. Rodent data is investigational, not predictive.

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u/rafael_ostergaard45 points·4 months ago
no
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u/second_week_sceptic32 points·4 months ago

Dead space in the needle hub holds a small but non-trivial volume. On low-volume draws that can be several units.

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u/karma_irrelevant28 points·4 months ago

This is the "correlation is mechanism" thing again. You changed three variables at once.

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u/flair_enthusiast20 points·4 months ago

the 11-day half-life means week 11 is still ramp-up pharmacokinetically

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u/anders_kuuselaOP15 points·4 months ago

The half-life is 6 hours, which means week 6 is genuinely still ramp-up. Week 37 is steady state.

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u/emeka_chowdhury22 points·4 months ago

Where does the gastric emptying data actually come from?

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u/employer_carveout11 points·4 months ago

amylin is not GLP-1, posts conflating them get corrected

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u/brigade_detector2 points·4 months ago

rodent receptor tells you what to investigate, not what to expect in humans

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u/georgi_chowdhury1 point·4 months ago

rodent half-life tells you what to investigate, not what to expect in humans

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The mechanism layer: incretin physiology, receptor distribution, gastric emptying, central appetite signalling, glucagon-receptor contribution, amylin co-agonism, and the pharmacokinetics that make weekly dosing possible. Papers get cited by journal and year or they get a [needs source] reply.

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