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

how much of what we believe about dual agonist actually comes from GIP threads

Side Effects Clean Column ×2 Long Haul ×1 Well Actually ×1

The title is the whole question — how much of what we believe about dual agonist actually comes from GIP threads — but here is why I am asking.

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.

Research-use-only material is not approved for human use. Anything in this thread about how a research vial "should" titrate is a discussion about chemistry, not a plan.

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.

Not medical advice, obviously, and nothing here is approved for human use. One person with a spreadsheet.

5,031 up / 830 down86% upvoted34 commentsid sl1e233 Jan 2025

34 comments

26 in this archive, depth 4

best — the order this archive was captured in

u/amara_halonen599 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/kaia_wojcikOP279 points·1 year ago

23kg over 69 weeks, never went past 10mg, and constipation stayed mild the whole way. Posting because the loud threads are all 15mg.

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u/noor_hovland561 points·1 year ago

Came off sema and onto tirz with a two-week gap. The first month was flat and I assumed I had made a mistake. Month two it moved.

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u/kaia_wojcikOP404 points·1 year ago

week 5 is early to draw any conclusion at all

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u/ahmed_fonseca0 points·1 year ago

week 5 is early to draw any conclusion at all

Agreed, with one qualifier: that is the mean of the top arm and the spread around it was enormous.

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u/tove_vasquez259 points·1 year ago

Which week did the appetite change actually land for you?

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u/sanne_novak57 points·1 year ago

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

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u/sten_palacios16 points·1 year ago

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

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u/amara_halonen13 points·1 year ago

Correction to my own post above — I said 10mg and I have been on 15mg since the spring. Same argument, wrong number.

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u/signe_villalobos209 points·1 year ago

the muscle cramps profile is genuinely gentler than people expect coming from sema

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u/emil_barros174 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/ignacio_vanhecke134 points·1 year ago

2.5mg is a four-week starting dose, not a maintenance dose. Worth being precise since people search these threads.

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u/thyroid_tangent128 points·1 year ago·edited

Not sure that follows. You went up a step and changed your training in the same fortnight.

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u/kaia_wojcikOP96 points·1 year ago

Not sure that follows.

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

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u/bastian_eriksen0 points·1 year ago

Saving this one.

kaia_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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[deleted]1 point·1 year ago

[deleted]

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u/dario_vermeulen70 points·1 year ago

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

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u/quiet_moderatormod104 points·1 year ago

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

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u/mikkel_ogunleye71 points·1 year 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/incretin_ivypharmacology16 points·1 year ago

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

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u/forest_plot_fionastats13 points·1 year ago

hold the dose that works, the ladder is not a leaderboard

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u/hugo_bergstrom6 points·1 year ago·edited

hold the dose that works, the ladder is not a leaderboard

Not sure about this bit. The GIP arm being real does not tell you that it is what caused your particular week.

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u/marta_dziedzic8 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/mikkel_kimani4 points·1 year ago

2.5 is the starter dose and it is not meant to be the dose that works

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u/amara_halonen10 points·1 year ago·edited

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

This. The step interval is a floor, and reading it as a timetable is the most expensive mistake in the thread.

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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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