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Evidence-based GLP-1 & peptide discussion since 2023
ForumsVendor Reviews[REVIEW] Peptide Sciences — need advice Page 9

[REVIEW] Peptide Sciences — need advice

AussieAnna Sun, Mar 16, 2025 at 9:12 AM 50 replies 2,016 viewsPage 9 of 10
TomTeleRx
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Jul 29, 2025 at 2:12 AM#41
roxy_nash said:
Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then…

There is a second half to this that has not been said yet. There is a difference between no evidence and evidence of no effect, and this subject is one where the two get swapped freely in both directions.

3 1pete_manc_UK, anna.melb_AU, mark_tokyo
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FDA_TrackerJim
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Aug 3, 2025 at 5:45 PM#42

The figures, for anyone assembling their own picture. One habit that pays for itself: post the method alongside the number. A figure without its method cannot be checked, and an unchecked figure is how this community accumulates folklore.

Last edited: Aug 3, 2025 at 8:45 PM
4 2Admin, Dr.Martinez, mike_mod and 1 other
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Admin
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Aug 9, 2025 at 9:15 AM#43

Moderator note: a post naming a supplier has been edited. Discuss suppliers in the review sections, not here.

5 3RegAffairsDC, BiostatsBrad, PeptideSynthNJ and 2 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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tommy_boulder
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Aug 15, 2025 at 12:42 AM#44
FDA_TrackerJim said:
One habit that pays for itself: post the method alongside the number.

Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. The objection nobody has made: this only works if the measurement is doing what we assume it is doing, and that assumption has not been tested here.

6 4dan_philly, MeganSA_TX, LarryQC_SD and 3 others
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TrialTracker_MD
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Aug 20, 2025 at 4:06 PM#45
FDA_TrackerJim said:
One habit that pays for itself: post the method alongside the number.

That is right, and it stops being right at the edges. The general case is well behaved; the interesting cases in this thread are all at the boundary where the general case breaks.

7 5lori_vegas, Dr.PulmRoch, maya_sedona and 4 others
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