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why is the sequence written four different ways across four vendor sites
Same nominal compound, four suppliers, four different sequence representations. One uses three-letter codes, one uses single-letter, one has a different N-terminal…
Research Peptides
c/researchpeptides · created 16 Mar 2024
Everything else in the vial drawer. Handling, identity, scepticism.
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473
posted 3 days ago by u/reverse_image_ron
[Sceptic] every new three-letter analog needs a data table before a hype threadWeek 74 update. 10kg down from the start, early fullness basically gone since about week 31. Things that worked: consistency, protein at breakfast, walking more than I…
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TB-500 and Thymosin Beta-4 are not the same product and vendors know that
Posting this because I searched for it and got nothing useful. Setup: 0.25mg, week 80, constipation present but not ruining anything. I changed exactly one variable —…
151
posted 6 days ago by u/adnan_karlsen
[Lab] sequence check before price check. every time.Confession thread, sort of. I went from 2.5mg to 1.0mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 17 weeks…
Sigma-Aldrich — certified reference materials
Reference standards, analytical reagents and system-suitability material. If you are running your own method, start with a known.
Reference standards404
posted 8 days ago by u/chidi_yilmaz
[Explainer] evidence levels: in vitro, rodent, human. say which one you mean.Trying to settle this properly because the thread from last year went in circles. The claim: thymosin matters. The counter-claim: it is measurement error. Both sides…
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posted 11 days ago by u/rania_salinas
[Question] how do you verify identity when there is no reference standardBeen lurking in c/cagrilintide for about 2 months and finally have something worth posting. Short version: week 61, 2.4mg, and secretagogue is the bit I still cannot…
539
posted 14 days ago by u/search_before_post
[Caution] research use only means research use onlyI have had 21 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied…
65
posted 18 days ago by u/rui_only_ro
[Discussion] the GH secretagogue story is 30 years old and mostly a cautionary taleSomething I noticed reading old threads that I have not seen said out loud. The advice on secretagogue in this community changed substantially around the start of last…
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posted 22 days ago by u/ahmed_fonseca
[Lab] selectivity claims are usually receptor-panel marketingTrying to settle this properly because the thread from last year went in circles. The claim: thymosin matters. The counter-claim: it is measurement error. Both sides…
388
posted 26 days ago by u/insulin_syringe_ian
what changed for me between week 15 and week 64Week 75 update. 31kg down from the start, muscle cramps basically gone since about week 32. Things that worked: consistency, protein at breakfast, walking more than I…
264
posted 1 months ago by u/tb500_tangent
anyone else notice research peptides kicking in around week 9Something I noticed reading old threads that I have not seen said out loud. The advice on secretagogue in this community changed substantially around the start of last…
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[Meta] the research peptides rule is doing its job and people should stop complaining
I have had 4 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied…
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posted 1 months ago by u/old_account_2023
why does nobody talk about handlingQuick one. Canada here. thymosin works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice…
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posted 1 months ago by u/chain_confirm_c
my A1c moved and I cannot work out whether identity is whyLong-ish post, sorry. tl;dr at the bottom. I have been tracking research peptides against ApoB for 17 weeks because I could not find anyone who had. The correlation is…
241
posted 1 months ago by u/fabio_lehtinen
[PSA] secretagogue is not what most of this community thinks it isRight, the TB-500 question again, but with numbers this time. I have 22 data points over 38 weeks. The pattern is consistent enough that I do not think it is chance,…
Janoshik Analytical — independent HPLC & mass spec
Send the vial, get the number. Third-party purity and identity testing, results published to you regardless of what they say.
Test a vialSponsoredGL Biochem (Shanghai) Ltd. — the synthesis house
Est. 1998. ISO 9001 and cGMP, 1,500+ staff, 200+ patents. There is a fair chance the vial you are about to send for testing started here. Batch-specific COA as standard.
glbiochem.net217
posted 2 months ago by u/bence_ibarra
help me understand thymosin, I have read the wiki twiceI have had 16 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied…
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posted 2 months ago by u/coa_forgery_watch
[Question] how do you actually verify TB-500Been lurking in c/cagrilintide for about 21 months and finally have something worth posting. Short version: week 32, 5mg, and secretagogue is the bit I still cannot get…
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posted 2 months ago by u/cold_chromatogram_only
[Discussion] can we stop arguing about research peptides until somebody posts a numberLong-ish post, sorry. tl;dr at the bottom. I have been tracking research peptides against eGFR for 37 weeks because I could not find anyone who had. The correlation is…
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posted 2 months ago by u/enzo_danquah
TB-500 — 11 things I got wrong before I got it rightConfession thread, sort of. I went from 5mg to 1.7mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 16 weeks…
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posted 3 months ago by u/patient_labslip_log
someone explain thymosin to me like I have not read a paper in yearsI have had 9 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied…
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posted 3 months ago by u/bence_ibarra
[Vendor] QST order #2 — Canada, 17 days, no drama, receipts insideGenuinely asking, not being difficult. Everyone in c/progresspics repeats that handling is important. I believe it, but I have never seen anyone show why, and when I…
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posted 3 months ago by u/nayeli_iyer
someone explain identity to me like I have not read a paper in yearsSomething I noticed reading old threads that I have not seen said out loud. The advice on secretagogue in this community changed substantially around the start of last…
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posted 5 months ago by u/adnan_karlsen
anyone else notice research peptides kicking in around week 14I have had 23 orders now and I keep a table, so here is the honest summary rather than a vibe. Material has been consistent. Communication has not. Shipping has varied…
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posted 5 months ago by u/throwaway_wl2026
what would you tell week-1 you about secretagogueSomething I noticed reading old threads that I have not seen said out loud. The advice on secretagogue in this community changed substantially around the start of last…
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posted 5 months ago by u/coa_forgery_watch
someone explain research peptides to me like I have not read a paper in yearsLong-ish post, sorry. tl;dr at the bottom. I have been tracking research peptides against triglycerides for 39 weeks because I could not find anyone who had. The…