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Evidence-based GLP-1 & peptide discussion since 2023
ForumsPublic SquareIs there a ceiling effect for GLP-1-mediated weight loss? — my results so far Page 6

Is there a ceiling effect for GLP-1-mediated weight loss? — my results so far

raj_cambridge Fri, Sep 19, 2025 at 6:20 AM 33 replies 1,411 viewsPage 6 of 7
PeptideSynthNJ
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Sep 19, 2025 at 2:50 PM#26

Congrats raj_cambridge!! You should be so proud of yourself. 🎉

14 19wanda_boise, NurseAsh_DET, BenResearch_OR and 11 others
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Dr.AddMedPHL
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Sep 19, 2025 at 3:07 PM#27

Slightly tangential to Is there a ceiling effect but Admin reminded me — does anyone have experience combining this with metformin?

I know it is not exactly on-topic but it seems related enough to ask here rather than starting a new thread. Apologies if this has been covered — I did search first.

Last edited: Sep 19, 2025 at 5:07 PM
49 22sarah_nash92, FitDadDave, RunnerRach and 46 others
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Dr.BariatricHTX
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Sep 19, 2025 at 3:24 PM#28

Yep. My endo said the same thing about Is there a ceiling.

10 7Dr.EM_Chicago, pete_RVA, CarlaRPh_TPA and 7 others
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Dr.EM_Chicago
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Sep 19, 2025 at 3:41 PM#29

Reading this thread on Is there a ceiling effect hits close to home. Night shift nurse — I started at 263 lbs and felt like I would tried everything.

9 months on tirz and I am a different person. Not just the 38 lbs lost — my energy, my mood, my relationship with food. All transformed.

If you are on the fence about Is there a ceiling — take the leap. It was the best health decision I have ever made. ❤️

Last edited: Sep 19, 2025 at 7:41 PM
29 24lucas_SP_BR, lisa_labSD, adam_van and 26 others
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DeniseRN_TPA
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Sep 19, 2025 at 3:58 PM#30

As a pharmacist, I want to add some clinical context to this discussion on Is there a ceiling effect for.

Building on what Dr.BariatricHTX said — the evidence base here is robust. The key publications to reference are from the FLOW program[1].

Key clinical points:

  1. Efficacy is dose-dependent and typically requires 4-5 weeks to reach steady state
  2. Side effect profile is predictable and usually manageable with standard protocols
  3. Monitoring should include baseline labs and follow-up at 3-month intervals
  4. Patient education significantly improves outcomes and adherence

Standard disclaimer: this is educational, not individualized medical advice.

References:
[1] See thread title for relevant study identification.
Last edited: Sep 19, 2025 at 6:58 PM
14 12Dr.BariatricHTX, LindaRN_retired, tommy_boulder and 11 others
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