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195
c/tirzepatide·posted 19 days ago by u/discount_math_dm

anyone else find 15mg genuinely unpleasant with no extra loss

Titration

Right, the SURPASS question again, but with numbers this time.

I have 12 data points over 12 weeks. The pattern is consistent enough that I do not think it is chance, and boring enough that nobody is going to screenshot it, which is usually a good sign.

The thing I would flag for anyone new: the effect I am describing showed up at week 73, not week 27. People give up long before the interesting part.

Interested in whether this matches other people's logs or whether I am an outlier.

316 up / 121 down72% upvoted25 commentsid psdxit10 Jul 2026

25 comments

17 in this archive, depth 5

best — the order this archive was captured in

u/aksel_kjaer13 points·19 days ago

Tried both. Sema worked, tirz worked better for me, but my constipation profile was worse on tirz.

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u/titration_marshalMOD7 points·19 days ago

Retitled to remove editorialising. Put the evidence in the body.

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u/discount_math_dmOP4 points·18 days ago

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

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u/priya_guerrero3 points·18 days ago

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

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u/throwaway_titration1 point·18 days ago

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

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u/discount_math_dmOP4 points·18 days ago

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

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u/crosspost_bot_no9 points·18 days ago

The confident tone is doing a lot of work that the evidence is not.

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[deleted]4 points·18 days ago

[deleted]

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u/zeynep_zielinski2 points·17 days ago

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

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u/adnan_nascimento1 point·17 days ago

the fatigue from tirz is different, not necessarily worse

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u/emil_barros3 points·17 days ago

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

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u/zaid_balogun6 points·17 days ago

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

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u/slow_logbook_ftw5 points·17 days ago

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

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u/tarek_kirchner3 points·17 days ago

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

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

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u/graph_it_gary2 points·17 days ago·edited

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

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u/gustav_vermeulen7 points·18 days ago

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

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u/discount_math_dmOP0 points·17 days ago

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

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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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