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Evidence-based GLP-1 & peptide discussion since 2023
Forumsβ€ΊRetatrutide & Triple Agonistsβ€ΊWill reta make sema and tirz obsolete?

Will reta make sema and tirz obsolete?

andrew_nyc Thu, Jan 8, 2026 at 9:23 AM 33 replies 1,028 viewsPage 1 of 7
andrew_nyc
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Jan 8, 2026 at 10:48 AM#1

Putting together a summary on will reta make sema and tirz since I keep seeing the same questions pop up.

I am not a medical professional (just a well-researched patient) so take this with appropriate salt, but I have compiled info from the clinical trials.

Happy to be corrected by the actual clinicians here β€” that is the whole point of posting it.

14 0Dr.KarenChen, Dr.NateNeph, PharmD_Rodriguez and 11 others
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SarahChen_PharmD
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Jan 8, 2026 at 11:05 AM#2

To answer the question about Will reta make sema and tirz obsolete? β€” in my experience this comes down to a few key factors.

I have been dealing with this for about 6 months now, and what I have found is that individual responses really do vary. That said, the general consensus on Will reta make sema and tirz seems solid.

What specifically worked for me: starting with a lower dose and titrating slowly. I would suggest andrew_nyc try the same approach and reporting back.

4 15NurseKim_ATL, paul_denver, TinaHashiRN and 1 other
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SallyK_inj
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Jan 8, 2026 at 11:22 AM#3

SarahChen_PharmD nailed it. Building on that β€” Will reta make sema and tirz is something I discuss with my dietitian regularly, and their clinical perspective aligns with what SarahChen_PharmD described.

One thing I would add: discussing this with your provider early helps.

48 12oliver_london, tane_welly, Dr.PathRoch and 45 others
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LeilaHI
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Jan 8, 2026 at 11:39 AM#4

Subscribing to this thread. Will reta make sema and is exactly what I've been researching. πŸ™

48 1LondonLisa, mike_nyc, VendorMark and 45 others
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NurseKim_ATL
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Jan 8, 2026 at 11:56 AM#5

Clinical perspective on Will reta make sema and tirz obsolete?:

I have managed ~150 patients on GLP-1 therapy and this topic comes up frequently. What the data shows β€” and what I see in practice β€” is that the medication works best as part of a comprehensive approach.

For this specific question, I would recommend: getting comprehensive baseline labs first.

25 12hank_denver, carlos_SATX, sophie_paris and 22 others
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