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ForumsCOA & Analytical TestingLC-MS/MS vs HPLC for peptide analysis — November 2025 Page 6

LC-MS/MS vs HPLC for peptide analysis — November 2025

TrialTracker_MD Wed, Jan 29, 2025 at 1:49 PM 39 replies 2,208 viewsPage 6 of 8
TrialNerd_Beth
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Jan 29, 2025 at 10:19 PM#26

Can confirm — my data shows the same pattern.

Last edited: Jan 30, 2025 at 2:19 AM
10 14RickReta_CO, PharmHunterJen, TomTeleRx and 7 others
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mike_nyc
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Jan 29, 2025 at 10:36 PM#27
amy_econ_NJ said:
I started my GLP-1 journey in March 2025 at 265 lbs with metabolic syndrome

Gonna push back on this one. LC-MS/MS vs HPLC for peptide is not that straightforward in my experience. I have been on this for 12 months and the reality is messier than the trials suggest.

Don't get me wrong — the medication works. But cost accessibility is a real barrier. We should be honest about that.

Last edited: Jan 30, 2025 at 2:36 AM
39 7stefan_berlin, Dr.EM_Chicago, pete_RVA and 36 others
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rachel_ABQ
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Jan 29, 2025 at 10:53 PM#28

Want to share my personal experience related to LC-MS/MS vs HPLC for peptide since I think it might help others in a similar situation.

I started my GLP-1 journey in October 2024 at 271 lbs with prediabetes and hypertension. My endocrinologist prescribed semaglutide 0.25mg to start.

Now, 10 months later: I am down 76 lbs, my labs have normalized, and I am off 2 of my 3 medications. The LC-MS/MS vs HPLC for aspect specifically was something that made a big difference in my journey.

This community helped me every step of the way.

19 9AmyNC_wife, SkepticalSean, Dr.CardioMD and 16 others
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Sigma-Aldrich — Research-Grade Standards

Certified reference materials, analytical reagents, and research-grade standards for peptide verification. Trusted by laboratories worldwide.

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bbq_ray_KC
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Jan 29, 2025 at 11:10 PM#29

Saving this for reference. Top-tier content.

46 20WendyG_ATL, SaraMom3, Dr.MetabolicMD and 43 others
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newstart_MO
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Springfield, MO
Jan 29, 2025 at 11:27 PM#30

TrialNerd_Beth — that is really helpful context on LC-MS/MS vs HPLC for. 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.

Last edited: Jan 30, 2025 at 5:27 AM
47 18RunnerRach, TrialNerd_Beth, HPLC_Greg and 44 others
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