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

does mechanism actually matter or is it forum lore at this point

Question Cold Box ×5 Well Actually ×3

Posting this because I searched for it and got nothing useful.

Setup: 12.5mg, week 36, constipation present but not ruining anything. I changed exactly one variable — receptor — and tracked it for 19 weeks.

Result: a difference, but a small one, and well inside what I would call noise if someone else posted it. So I am putting it here rather than presenting it as a finding. If two or three other people have done the same thing we might actually learn something.

Not medical advice, obviously. This is one person with a spreadsheet.

8,905 up / 7,937 down53% upvoted32 commentsid xxcwvu16 Jul 2025

32 comments

17 in this archive, depth 3

best — the order this archive was captured in

u/ferran_dahlberg62 points·1 year ago

the half-life is appetite, affects steady state timing

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u/sanne_delgado48 points·1 year ago

the half-life is appetite, affects steady state timing

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

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u/piotr_grimaldi34 points·1 year ago

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

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u/gustav_vermeulenOP13 points·1 year ago

This is correct.

Adding to this: incretin is doing more work than the comment implies.

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u/employer_carveout36 points·1 year ago

Is that mechanism or speculation?

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u/marisol_kravchenko10 points·1 year ago

gastric emptying is real and explains most early reflux

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u/employer_carveout3 points·1 year ago

do not extrapolate rodent data to human dosing without saying so

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u/annika_fonseca21 points·1 year ago

the 22-day half-life means week 22 is still ramp-up pharmacokinetically

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u/nhs_waitlist_nUK30 points·1 year ago

the 22-day half-life means week 22 is still ramp-up pharmacokinetically

Adding to this: receptor is doing more work than the comment implies.

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u/marisol_kravchenko11 points·1 year ago

mechanistic speculation is welcome if flaired as speculation

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u/gustav_vermeulenOP6 points·1 year ago

Stomach physiology changed when I moved up to 0.5mg. Gastric emptying lag is the whole story.

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u/second_week_sceptic31 points·1 year ago

Is that mechanism or speculation?

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u/cato_batista0 points·1 year ago

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

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u/not_my_main_nm12 points·1 year ago·edited

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

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u/camila_kowalski6 points·1 year ago

gastric emptying is real and explains most early fatigue

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u/greta_lokken10 points·1 year ago
this is the third time this week and i love it every time
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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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