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c/tirzepatide·posted 1 year ago by u/emil_wojcik

someone explain 15mg to me like I have not read a paper in years

Titration Receipts ×1 Well Actually ×2 Sourced ×3

someone explain 15mg to me like I have not read a paper in years — that is what I am asking, and I have already read the wiki twice.

Hard numbers: 15mg. Anything softer than that is flagged as an impression.

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.

Held 7.5 for five months. Everyone kept asking when I was going to 10. The answer was never, because 7.5 was working.

I will update this if the picture changes rather than quietly leaving it up.

4,414 up / 635 down87% upvoted34 commentsid q2ynte25 Jul 2025

34 comments

29 in this archive, depth 5

best — the order this archive was captured in

u/hassan_nilsen275 points·1 year ago

SURMOUNT-1 ran 72 weeks with the top arm around 21% mean body weight change. SURPASS is the diabetes programme and reports glycaemic endpoints, so quoting the two interchangeably is a category error.

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u/quiet_moderatorMOD237 points·1 year ago

This is the fifth "should I go up" post today and they are all welcome — but no member here can answer it for you.

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u/sanne_novak330 points·1 year ago

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

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u/emil_wojcik274 points·1 year ago

Small fix: SURMOUNT is the obesity programme, SURPASS is the type-2 programme. They are different endpoints and the numbers do not transfer.

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[deleted]176 points·1 year ago

[deleted]

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u/kian_ekstrom-9 points·1 year ago

Weekly dosing again, half-life in the same neighbourhood as sema, so a step change takes about a month to reach steady state. Judging a new step at day five is judging noise.

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u/graph_it_gary163 points·1 year ago

23kg over 58 weeks, never went past 10mg, and muscle cramps stayed mild the whole way. Posting because the loud threads are all 15mg.

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u/emil_wojcik196 points·1 year ago

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

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u/emil_wojcikOP150 points·1 year ago

dual agonist, so the GIP arm is doing something the sema threads will not tell you about

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u/gentle_correctionnice about it0 points·1 year ago

dual agonist, so the GIP arm is doing something the sema threads will not tell you about

emil_wojcik is right that the two molecules are not interchangeable. There is no published conversion and the ones circulating are invented.

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u/dario_stanescu93 points·1 year ago

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

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u/emil_wojcikOP37 points·1 year ago

Sulphur burps for the first eight days after each step, then nothing. Predictable enough that I planned my week around it.

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u/ahmed_iyer58 points·1 year ago

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

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u/graph_it_gary126 points·1 year ago

SURMOUNT-1 landed around 21% at 72 weeks on the top arm

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u/sofia_nascimento104 points·1 year ago

What step are you on and how long have you been there?

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u/sten_palacios33 points·1 year 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/kaia_wojcik36 points·1 year ago

Careful with "everyone tolerates it better". The people it did not suit stop posting, which makes this board look calmer than the drug is.

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u/throwaway_titration29 points·1 year ago

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

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u/kofi_balogun76 points·1 year ago

Push back: "gentler than sema" is a population statement. Plenty of people on this board have the opposite experience and they are not doing it wrong.

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u/sten_bhattacharya31 points·1 year ago

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

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u/vito_chowdhury50 points·1 year ago

Cosigning the four-week thing. It is a minimum interval, and treating it as a schedule to keep up with is how people end up miserable at 12.5.

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u/alcohol_aversion25 points·1 year ago

Does early fullness follow the day after the shot, or is it spread across the week?

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u/emil_okwuosa41 points·1 year ago

the trials titrated on a calendar, real people titrate on symptoms

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u/sten_palacios29 points·1 year ago·edited

Cosigning the four-week thing.

Saving this one. It is the clearest statement of the stall problem I have read here.

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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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