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Evidence-based GLP-1 & peptide discussion since 2023
ForumsLab Results & BiomarkersCortisol and GLP-1 — HPA axis during caloric deficit Page 2

Cortisol and GLP-1 — HPA axis during caloric deficit

Dr.ReproEndo Thu, Feb 19, 2026 at 2:46 AM 16 replies 540 viewsPage 2 of 4
NauseaFreeNow
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Aug 2024
Indiana
Feb 19, 2026 at 5:36 AM#6

This thread is incredible for Cortisol and GLP-1 info. Better than most online groups.

Last edited: Feb 19, 2026 at 9:36 AM
4 18stefan_berlin, Dr.EM_Chicago, pete_RVA and 1 other
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sean_dublin
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Nov 2024
Dublin, IE
Feb 19, 2026 at 5:53 AM#7

As a healthcare provider, I want to add some clinical context to this discussion on Cortisol and GLP-1 HPA axis during.

Building on what DoseLogDan said — the evidence base here is well-established. 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.
17 24sean_dublin, hannah_MT, Dr.SportsMedIN and 14 others
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MikeNYC_runner
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Jul 2024
New York, NY
Feb 19, 2026 at 6:10 AM#8

Reading this thread on Cortisol and GLP-1 HPA hits close to home. Night shift nurse — I started at 275 lbs and felt like I would tried everything.

11 months on tirz and I am a different person. Not just the 50 lbs lost — my energy, my mood, my relationship with food. All transformed.

If you are on the fence about Cortisol and GLP-1 — take the leap. It was the best health decision I have ever made. ❤️

9 8Dr.ObesityMed, HealthEcon_DC, PedsEndoPhilly and 6 others
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andrew_nyc
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Apr 2024
New York, NY
Feb 19, 2026 at 6:27 AM#9

Dr.EM_Chicago — that is really helpful context on Cortisol and GLP-1 HPA. Follow-up question: what labs did your doctor order to monitor this?

I am in a similar situation (just started) and trying to set realistic expectations.

18 24julia.endo, JessicaM_2024, TomFromTexas and 15 others
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claudia_zurich
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Zurich, CH
Feb 19, 2026 at 6:44 AM#10

To answer MikeNYC_runner's question specifically:

From a clinical standpoint, Cortisol and GLP-1 HPA axis is an area where we have good evidence.

The short answer: baseline labs + quarterly monitoring is the standard of care.

The longer answer involves understanding the mechanism of action at the receptor level, which I am happy to elaborate on if helpful.

21 10kevin_tulsa, Dr.PainCLE, mike_mealprep and 18 others
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