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Evidence-based GLP-1 & peptide discussion since 2023
ForumsRetatrutide & Triple AgonistsRetatrutide vs tirzepatide — March 2026 Page 3

Retatrutide vs tirzepatide — March 2026

mike_nyc Sat, Aug 17, 2024 at 11:04 AM 15 replies 2,046 viewsPage 3 of 3
RetaRick_CA
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Aug 18, 2024 at 3:52 AM#11
pat_auckland said:
Steady state is faster than people expect: half-life about five days, so you are at plateau in roughly three to four weeks rather than five.

Right, and the exception is worth naming rather than left implied, because the exception is where people get into trouble.

Last edited: Aug 18, 2024 at 4:52 AM
7 5SkepticalSean, Dr.CardioMD, EndoResFellow and 4 others
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hank_denver
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Aug 18, 2024 at 9:37 AM#12
MikeKY_noInsulin said:
The phase 2 numbers were about 24% mean weight loss at 48 weeks on the top dose, with the curve still descending at the end of the study.

Saving this. It is the first explanation that did not require me to already understand it.

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jason_sac26
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Aug 18, 2024 at 3:22 PM#13
pat_auckland said:
Steady state is faster than people expect: half-life about five days, so you are at plateau in roughly three to four weeks rather than five.

Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. The "tirzepatide is simply better" summary irritates me. It is better on mean weight loss, and the cardiovascular outcome evidence is far thinner than semaglutide's. If the reason for treating is cardiovascular risk rather than weight, the evidence base points the other way.

Last edited: Aug 18, 2024 at 5:22 PM
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stefan_berlin
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Aug 18, 2024 at 9:07 PM#14

Adding the numbers, since they settle part of this. For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine. Half the figures circulating in this community trace back to a secondary summary that dropped a qualifier.

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mike_mod
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Aug 19, 2024 at 2:52 AM#15

Moderator note: the sourcing question belongs in the vendor section and has been split out.

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