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ForumsBuyer Beware⚠ 50+ FDA warning letters sent to peptide vendors in 2025 — looking for input Page 3

⚠ 50+ FDA warning letters sent to peptide vendors in 2025 — looking for input

MariaRD Fri, Jan 16, 2026 at 7:51 AM 14 replies 878 viewsPage 3 of 3
hyun_seoul
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Jul 2024
Seoul, KR
Jan 16, 2026 at 12:06 PM#11
VendorMark said:
50+ FDA warning letters sent to is not that straightforward in my experience

This is exactly right. VendorMark articulated what I have been trying to explain to my doctor for months. The 50+ FDA warning letters aspect is the most important factor.

18 2Dr.ObesityMed, HealthEcon_DC, PedsEndoPhilly and 15 others
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steph_laguna
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Nov 2024
Laguna Beach, CA
Jan 16, 2026 at 12:23 PM#12

Reading this thread on 50+ FDA warning letters hits close to home. Night shift nurse — I started at 271 lbs and felt like I would tried everything.

7 months on tirz and I am a different person. Not just the 46 lbs lost — my energy, my mood, my relationship with food. All transformed.

If you are on the fence about 50+ FDA warning — take the leap. It was the best health decision I have ever made. ❤️

44 18GraceAZ_72, carl_compliance, DanielChem_CHI and 41 others
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MariaRD
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New Mexico
Jan 16, 2026 at 12:40 PM#13

Dr.AddMedPHL — that is really helpful context on 50+ FDA warning letters. 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.

48 4maria_elpaso, anders_CPH, Dr.NutriCornell and 45 others
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Dr.ReproEndo
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Jan 16, 2026 at 12:57 PM#14

To answer steph_laguna's question specifically:

From a clinical standpoint, 50+ FDA warning letters sent 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.

3 2GraceAZ_72, carl_compliance, DanielChem_CHI
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TomTeleRx
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Feb 2025
Delaware
Jan 16, 2026 at 1:14 PM#15

Bookmarked 📌 The 50+ FDA warning info in this thread is essential. Coming back to this for sure.

Last edited: Jan 16, 2026 at 2:14 PM
20 10TrialNerd_Beth, HPLC_Greg, LibrarianMeg and 17 others
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