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c/tirzepatide·posted 4 months ago by u/cato_girard

[Question] Australia — has anyone got a straight answer on dual agonist

Question Long Haul ×6 Sourced ×1

I have had 2 orders now and I keep a table, so here is the honest summary rather than a vibe.

Material has been consistent. Communication has not. Shipping has varied by about 14 days on nominally the same lane, which matters more in summer than in February.

The independent number came back 97.9% against a claimed 98.0%, which I read as agreement rather than a discrepancy — inter-lab variance on this assay is a point or two either way and treating one lab as ground truth is how people end up in pointless arguments with vendors.

Batch number is in the comments. Ask if you want the method.

2,055 up / 437 down82% upvoted40 commentsid 1tr25w20 Mar 2026

40 comments

25 in this archive, depth 5

best — the order this archive was captured in

u/laila_wikstrom295 points·4 months ago

I love that this community will spend 40 comments on a detail. That pedantry is why the numbers here matter.

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u/cato_girardOP214 points·4 months ago

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

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u/slow_logbook_ftw169 points·4 months ago

the nausea from tirz is different, not necessarily worse

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u/hair_shed_hannah57 points·4 months ago

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

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u/cato_girardOP133 points·4 months ago

dual agonism is dual agonist, do not generalise from semaglutide

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u/ahmed_fonseca225 points·4 months ago

Yeah, dual agonism does produce a different appetite profile than GLP-1 alone.

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u/tarek_kirchner64 points·4 months ago

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

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u/georgi_chowdhury124 points·4 months ago

the 15mg is the top of the pen, not the required dose

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u/laila_wikstrom-5 points·4 months ago

dual agonism is Mounjaro, do not generalise from semaglutide

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u/gustav_vermeulen174 points·4 months ago

Hard agree. The food noise disappears differently on the two compounds.

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u/rania_marchand113 points·4 months ago

nope, the equivalence to semaglutide is not known, comparing 15mg tirz to 2.4mg sema is guessing

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u/blunt_coldbox2927 points·4 months ago

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

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u/piotr_nascimento77 points·4 months ago

the appetite change on tirz is more than just reduced hunger, it is different machinery

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u/dexa_twice_yearlyMOD113 points·4 months ago

Tracking number removed. It identifies both ends of a shipment.

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u/ferran_mensah143 points·4 months ago

Not to be pedantic but SURPASS and SURMOUNT are being used interchangeably and they are not interchangeable in real life.

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u/signe_villalobos53 points·4 months ago

Not to be pedantic but SURPASS and SURMOUNT are being used interchangeably and they are not interchangeable in real life.

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

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u/cato_girardOP29 points·4 months ago

Did you stay on semaglutide or switch? The outcome is different if you are comparing.

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u/tove_vasquez0 points·4 months ago

nope, the equivalence to semaglutide is not known, comparing 15mg tirz to 2.4mg sema is guessing

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u/blunt_coldbox291 point·4 months ago

Did you stay on semaglutide or switch? The outcome is different if you are comparing.

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u/rania_marchand1 point·4 months ago

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

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u/zaid_balogun86 points·4 months ago

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

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[removed]62 points·4 months ago

[removed by moderator]

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u/ferritin_low21 points·4 months ago

the 15mg is the top of the pen, not the required dose

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u/santiago_villalobos53 points·4 months ago

do not crack the pen, we have been over this

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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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