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#tirzepatide 2025-10-02

Thursday40 messages8 participantstimes are UTC
Highlights from this day
  • ruo_only — licensed top is 15 weekly, past that is not a licensed dose and nobody here can tell you what it does 20:33
  • ruo_only — i sat at 7.5 for 21 months and never needed more, which is where the folklore comes from 20:43
  • lead_time_lars — went back to semaglutide after 14 months because the cost difference mattered more than the GI 21:06
  • lead_time_lars — £94 for a 40 vial is roughly what ive paid for the last year 21:08
LT

dual agonist, GIP as well as GLP-1, thats the whole difference in one line, thats just me

restarted at 2.5 after 15 months off and the first two doses reminded me why titration exists

GB

the two compounds arent interchangeable week for week even if the effect ends up similar

WW

held 10 for 16 months and lost 36kg over that stretch, slow and boring and fine

the GI difference held for me right up to 15, which isnt what a couple of people here found

im at 2 and thinking about 10, did anyone gain anything from that step

GIP plus GLP-1

👀5📈2💀14
WW

there is no clean conversion between the two, anyone giving you a ratio is guessing

RL

does the GIP arm actually explain the easier nausea or is that hand waving

RO

coming off semaglutide, is there a conversion or do i restart at 2.5

🎉2

15 is the top

does the appetite effect feel different or just stronger

LT

the 20 vial in 1ml gives 10mg/ml which puts 2 on 25 units, nice round numbers

RO

licensed top is 15 weekly, past that is not a licensed dose and nobody here can tell you what it does

🤝5❤️17📉8
RO

i sat at 7.5 for 21 months and never needed more, which is where the folklore comes from

🙏17
LT

ok so i argued the sweet spot was nonsense and then spent 4 months at 7.5 not needing more, i think
the two compounds arent interchangeable week for week even if the effect ends up similar

RO

while im here back after 4 months, do i restart at 2.5 or pick up near where i left off

LT

went back to semaglutide after 14 months because the cost difference mattered more than the GI

Trial scheduleWhat most people here do
Step interval4 weeks, fixed4-12 weeks, on symptoms
Holdingprotocol deviationnormal and expected
Top dosereached by designoften never reached
Coming downnot studiedcommon at maintenance

£94 for a 40 vial is roughly what ive paid for the last year

🧊17

anyone stopped at 10 and stayed there for months

VB

Inter-lab diff for lot C-4402: 99.4% vs 98.1%. Within expected range.

RL

SURMOUNT-OSA was the sleep apnoea trial and it is not a weight headline however its quoted
40 units of a 5 solution is a lot of volume and i check that one twice every single time

TN

at 1.7 my appetite is gone entirely, did anyone go down rather than up

TN

is 7.5 really the sweet spot or is that just channel folklore

WW

coming back to this my Medutest result on a TFC vial came in at 99.4 which is why i keep buying from them, thats one data point

SF

the sweet spot argument is really about effect per side effect, not a magic number

at 2.5 my appetite went completely and i dropped back a step, eating nothing isnt a win

no clean conversion

📉7
WW

7.5 gang

Cited study
Tirzepatide versus Semaglutide Once Weekly in Type 2 Diabetes (SURPASS-2)
New England Journal of Medicine · 2021
The head-to-head everyone quotes. Note the semaglutide comparator dose.