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c/tirzepatide·posted 6 months ago by u/customs_seizure_sid

[Meta] proposal — a flair for SURMOUNT posts

Titration Cold Box ×8 Slow Clap ×1

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

The claim: tirzepatide matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 13 months without either producing anything.

What would actually settle it is 29 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.

1,173 up / 266 down82% upvoted53 commentsid 1u14x37 Jan 2026

53 comments

26 in this archive, depth 5

best — the order this archive was captured in

u/amara_halonen139 points·6 months ago

Cosigning. The GIP contribution is real and the side effects are not simply scaled versions.

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u/customs_seizure_sidOP60 points·6 months ago

How long at each step before you escalated?

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u/noor_hovland93 points·6 months ago

You have restated the marketing copy. What is the actual substance here.

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u/nz_unfunded29 points·6 months ago

stalled on sema, tried tirz, and the curves were actually different shapes

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u/forest_plot_fionastats69 points·6 months ago

Rodent data is rodent data. Dose scaling is not linear and the models tell you what to investigate, not what to expect.

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u/customs_seizure_sidOP25 points·6 months ago

the dual agonism hits different and that is why people describe it differently

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u/customs_seizure_sidOP-28 points·6 months ago

the injection-site soreness from tirz is different, not necessarily worse

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u/mikkel_kimani39 points·6 months ago

I am going to push back on this slightly.

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u/ghrp_history19 points·6 months ago

the GIP side does different things than the GLP-1 side, that is the point

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u/zeynep_zielinski15 points·6 months ago

Zepbound and Mounjaro are literally the same drug, the name is the only difference

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u/nabila_ogunleye7 points·6 months ago

Strongly agree. Tirz is better than sema is not a claim without a comparator dose.

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u/laila_yilmaz31 points·6 months ago

This matches the trial data. SURMOUNT-1 was 98.3% body weight at 13 weeks.

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u/kian_ekstrom21 points·6 months ago

the dual agonism hits different and that is why people describe it differently

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[removed]16 points·6 months ago

[removed by moderator]

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u/georgi_chowdhury4 points·6 months ago

[removed by moderator]

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

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u/kofi_balogun13 points·6 months ago

SURMOUNT data is messier than STEP data but the weight loss is there

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u/throwaway_titration8 points·6 months ago

Slight fix: the number was 96.8, not 98.1. Decimal point, but a fairly consequential one.

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u/b12_baseline17 points·6 months ago

Not to be pedantic but dual agonist and 15mg are being used interchangeably and they are not interchangeable in real life.

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u/thyroid_tangent22 points·6 months ago

Dead space in the needle hub holds a small but non-trivial volume. On low-volume draws that can be several units.

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u/endpoint_creep12 points·6 months ago

the dual agonism hits different and that is why people describe it differently

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u/mikkel_ogunleye13 points·6 months ago

Cosigning. The GIP contribution is real and the side effects are not simply scaled versions.

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u/tidy_vialdrawer_pls8 points·6 months ago

Cosigning.

Disagree on that part. 99.2% and 99.3% on the same vial is normal.

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u/aurel_lindqvist6 points·6 months ago

Slight fix: the number was 98.7, not 98.4. Decimal point, but a fairly consequential one.

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u/cormac_pereira7 points·6 months ago

Cosigning.

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

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u/incretin_ivypharmacology5 points·6 months ago

Zepbound and Mounjaro are literally the same drug, the name is the only difference

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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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