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c/tirzepatide·posted 10 months ago by u/ewan_marchand

[Results] 74 weeks, 23kg, and GIP was the hard part

Results Receipts ×6 Cold Box ×1 Well Actually ×1

Here it is: 74 weeks, 23kg, and GIP was the hard part. One person, one log, no control group, so read it accordingly.

74 weeks and 23kg. Those are measured, not estimated, and not rounded up in my favour.

8kg over 21 weeks, never went past 10mg, and muscle cramps stayed mild the whole way. Posting because the loud threads are all 15mg.

The distribution matters more than the mean. In the trial population the interquartile spread was wide enough that two honest people can have completely different runs on the same arm.

Corrections welcome, especially the pedantic ones. Pedantry is how this board earns its reputation.

6,806 up / 527 down93% upvoted55 commentsid qcv40e9 Sep 2025

55 comments

26 in this archive, depth 4

best — the order this archive was captured in

u/incretin_ivyMOD1.1k points·10 months ago

Trial identifiers corrected in the title. SURMOUNT and SURPASS are different programmes.

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u/hair_shed_hannah298 points·10 months ago

Disagree with the conversion table. There is no validated equivalence between the two molecules and posting one as though there is does real damage.

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u/emil_barros773 points·10 months ago·edited

Vials and pens carry the same molecule; what differs is fill volume, device tolerance and whether you are doing your own arithmetic. Neither is inherently more accurate.

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u/ewan_marchandOP438 points·10 months ago

Appetite effect for me is flat across seven days. On sema it was a wave. Same person, different molecule.

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u/signe_villalobos415 points·10 months ago

Are you comparing yourself with the trial mean or with the people who post the most?

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[removed]152 points·10 months ago

[removed by moderator]

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u/customs_seizure_sid335 points·10 months ago

What is the waist doing? That is usually the number still moving during a scale stall.

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u/ignacio_vanhecke95 points·10 months ago

The four-week interval in the label is a minimum. Nothing about the pharmacology requires you to step on schedule, and the trials stepped on a calendar because trials have to.

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u/ahmed_iyer695 points·10 months ago

a lot of people plateau nicely at 10mg and never need 15

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u/emil_wojcik305 points·10 months ago

Yes. I stepped to 12.5 because the calendar said so, not because anything needed fixing, and I regretted it for a fortnight.

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u/dario_vermeulen153 points·10 months ago

Agree. The GIP component is the interesting half and it barely gets discussed outside c/glp1science.

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u/incretin_ivypharmacology187 points·10 months ago

Switching from semaglutide, since three people asked in this thread alone.

There is no published dose equivalence between the two. The conversion tables that circulate are somebody’s arithmetic, not data. What people report here is that the first month after a switch is often flat, that the appetite effect feels differently shaped rather than simply stronger, and that starting at the bottom of the ladder again is the common approach.

None of that is a recommendation. It is what the threads say, and the threads are not a clinic.

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u/throwaway_titration323 points·10 months ago

the four-week step schedule is the label, not folklore

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u/tarek_lokken381 points·10 months ago

if 7.5 is working, 10 is not automatically better

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u/cato_girard249 points·10 months ago

switching from sema is not a dose conversion, there is no clean equivalence

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u/quiet_moderatormod155 points·10 months ago

stepping every four weeks is a ceiling on speed, not a schedule you must hit

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u/priya_guerrero205 points·10 months ago

Week 24 was the first time the scale moved after a five-week stall. I changed nothing in that window.

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u/signe_villalobos-10 points·10 months ago

Pen or vial? The step sizes available differ and it changes this answer.

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u/matias_salgado1 point·10 months ago·edited

Have you held a step for longer than the four-week minimum at any point?

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u/b12_baseline1 point·10 months ago

Went 10 to 12.5 on the calendar and had the worst fortnight of the whole run. Dropped back to 10 and everything settled.

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u/tove_vasquez90 points·10 months ago

It is a dual GIP and GLP-1 receptor agonist, and the GIP arm is the part that has no equivalent in the semaglutide threads. That is why the side-effect profile reads differently rather than just milder.

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u/gustav_vermeulen58 points·10 months ago·edited

Did you come to this from sema, and if so how long was the gap?

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About c/tirzepatide

Tirzepatide-specific discussion: the dual-agonist pharmacology, the 2.5 → 15mg ladder, the appetite profile people describe as different from semaglutide, and the SURMOUNT/SURPASS trial programme. Comparisons with semaglutide are welcome as long as they are specific about dose equivalence being unknown.

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