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ForumsOther Peptides & Research CompoundsThymosin Beta-4 vs TB-500 fragment — 12 month update Page 3

Thymosin Beta-4 vs TB-500 fragment — 12 month update

KarenAZ_mom Tue, Feb 24, 2026 at 4:55 AM 28 replies 1,327 viewsPage 3 of 6
Dr.NutriCornell
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Ithaca, NY
Feb 24, 2026 at 8:27 PM#11
roxy_nash said:
Semaglutide structural biology relevant to the pharmacology: semaglutide is a 31-amino acid peptide with 94% homology to native GLP-1(7-36).

Right, and the exception is worth naming rather than left implied, because the exception is where people get into trouble.

40 13emily_PDX, Dr.SleepRoch, laura_annarbor and 37 others
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mia_MS2
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Jun 2026
Ann Arbor, MI
Feb 25, 2026 at 1:05 AM#12
PharmHunterJen said:
The mechanism is more central than most summaries suggest.

That reframing is the part I needed. Sending this to two other people who asked me the same thing last week.

41 14FDA_TrackerJim, ricardo_MIA, BrianDallas92 and 38 others
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Dr.BariatricHTX
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Feb 25, 2026 at 5:42 AM#13
roxy_nash said:
Semaglutide structural biology relevant to the pharmacology: semaglutide is a 31-amino acid peptide with 94% homology to native GLP-1(7-36).

Pushing back on roxy_nash here. I would resist the confidence. Half of what this board was certain about two years ago has since been quietly dropped, and nobody went back to correct the threads.

Correct me if the detail matters more than I have assumed.

Last edited: Feb 25, 2026 at 11:42 AM
42 15Dr.EM_Chicago, pete_RVA, CarlaRPh_TPA and 39 others
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jason_paloalto
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Feb 25, 2026 at 10:19 AM#14

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.

43 16andrew_nyc, Dr.EndoEP, GraceAZ_72 and 40 others
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mike_mod
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Feb 25, 2026 at 2:56 PM#15

Moderator note: reminder that nothing in this thread is medical advice, and that clinical claims need a source. No action needed from anybody.

44 17PurityPaulOR, MaxMetOK, MounjBrad and 41 others
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