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c/glp1science·posted 1 year ago by u/titration_marshal

[Discussion] we are measuring appetite at the wrong time and calling it noise

Discussion Receipts ×5

Trying to settle this properly because the thread from last year went in circles.

The claim: incretin matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 24 months without either producing anything.

What would actually settle it is 5 people measuring the same thing the same way. I have started; my numbers are below. They lean one way but not strongly enough for me to declare victory.

If you have data, post the data. If you have an opinion, flair it as an opinion.

887 up / 302 down75% upvoted18 commentsid u1ih6820 Jun 2025

18 comments

16 in this archive, depth 5

best — the order this archive was captured in

u/zeynep_villalobos57 points·1 year ago

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

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u/titration_marshalOPmod · c/semaglutide67 points·1 year ago

Rodent, human, or in vitro?

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u/hedda_adeyemi31 points·1 year ago

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

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u/annika_fonseca23 points·1 year 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/titration_marshalOPmod · c/semaglutide-28 points·1 year ago

The pharmacology literature is interesting but rodent models do not scale linearly to human dosing.

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u/annika_fonseca1 point·1 year ago

receptor distribution matters, GLP-1 is not everywhere

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u/vomit_free_since33 points·1 year ago

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

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u/gustav_vermeulen8 points·1 year ago

Stomach physiology changed when I moved up to 12.5mg. Gastric emptying lag is the whole story.

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u/noor_hovland14 points·1 year ago

Half-life is about 168 hours, so steady state lands around week 6–5. Practical consequence: what you feel in week 1 is not what that dose does.

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u/yusuf_ramos4 points·1 year ago

gastric emptying is real and explains most early nausea

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u/sig_figs_sammod · analytical1 point·1 year ago

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

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u/hassan_ostergaard12 points·1 year ago

I am going to push back on this slightly.

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u/emeka_chowdhury21 points·1 year ago·edited

glucagon-receptor contribution is pharmacology for dual and triple agonism

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u/georgi_chowdhury10 points·1 year ago

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

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[deleted]4 points·1 year ago

[deleted]

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u/rafael_ostergaard19 points·1 year ago·edited

Not convinced. The evidence does not support that reading.

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About c/glp1science

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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