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posted 1 months ago by u/tove_ogunleye
why does nobody talk about purityRight, the COA question again, but with numbers this time. I have 8 data points over 20 weeks. The pattern is consistent enough that I do not think it is chance, and…
c/coa — new, page 2
Positions 26–50 of 130.
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posted 1 months ago by u/chidi_demir
anyone else notice certificate of analysis kicking in around week 75Trying to settle this properly because the thread from last year went in circles. The claim: purity matters. The counter-claim: it is measurement error. Both sides have…
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posted 1 months ago by u/coa_janitor
the water content question that gets asked weekly, answered properlyQuick one. Canada here. related substances works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently…
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reading area percent threads from 2024 and half of it aged badly
I have had 14 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…
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.net1.9k
posted 2 months ago by u/andres_restrepo
Germany: water content, and what it actually costs hereConfession thread, sort of. I went from 15mg to 7.5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 22 weeks…
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posted 2 months ago by u/isabela_nilsen
is it normal to get the food-noise thing at week 40Week 57 update. 43kg down from the start, reflux basically gone since about week 14. Things that worked: consistency, protein at breakfast, walking more than I want to.…
146
posted 2 months ago by u/yannick_haddad
[Question] the UK — has anyone got a straight answer on COArelated substances. That is the whole post, but I will justify it. Everything else people worry about in c/sideeffects is downstream of it. Titration speed, muscle…
337
posted 2 months ago by u/first_hundred
what changed for me between week 30 and week 73Confession thread, sort of. I went from 1.7mg to 0.25mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 5 weeks…
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posted 2 months ago by u/blunt_coldbox29
COA is the most under-discussed thing in c/semaglutidePosting this because I searched for it and got nothing useful. Setup: 0.25mg, week 28, injection-site soreness present but not ruining anything. I changed exactly one…
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posted 2 months ago by u/coa_janitor
am I the only one who found COA harder than the injectionsBeen lurking in c/tirzepatide for about 15 months and finally have something worth posting. Short version: week 5, 7.5mg, and water content is the bit I still cannot…
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posted 3 months ago by u/priya_palacios
[Discussion] we are measuring purity at the wrong time and calling it noiseTrying to settle this properly because the thread from last year went in circles. The claim: certificate of analysis matters. The counter-claim: it is measurement…
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posted 3 months ago by u/yusuf_nakamura
what would you tell week-1 you about certificate of analysisConfession thread, sort of. I went from 0.5mg to 12.5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 17 weeks…
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posted 3 months ago by u/first_hundred
[Meta] proposal — a flair for certificate of analysis postsI have had 10 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/cesar_ivaturi
week 91 check-in — 17kg down, fatigue manageable, one thing confusing meQuick one. Canada here. certificate of analysis works very differently where I live than in the threads that dominate the front page, and I keep seeing people…
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posted 3 months ago by u/kavya_verhoeven
[Results] 42 weeks, 21kg, and purity was the hard partTrying to settle this properly because the thread from last year went in circles. The claim: certificate of analysis matters. The counter-claim: it is measurement…
PeptideMeter — community peptide analytics
Vendor-level purity averages over time, built from independent results rather than vendor claims. Transparent methodology, open dataset.
Browse results277
posted 3 months ago by u/sofia_ferreira
[Question] New Zealand — has anyone got a straight answer on certificate of analysisLong-ish post, sorry. tl;dr at the bottom. I have been tracking COA against eGFR for 33 weeks because I could not find anyone who had. The correlation is weaker than I…
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posted 4 months ago by u/liv_nkemelu
COA: what the trials say vs what this community saysBeen lurking in c/tirzepatide for about 22 months and finally have something worth posting. Short version: week 69, 1.7mg, and water content is the bit I still cannot…
0
posted 4 months ago by u/dead_space_doug
anyone else notice batch kicking in around week 84Posting this because I searched for it and got nothing useful. Setup: 1.7mg, week 10, injection-site soreness present but not ruining anything. I changed exactly one…
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posted 4 months ago by u/anya_moreau
water content — 5 things I got wrong before I got it rightConfession thread, sort of. I went from 0.25mg to 10mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 13 weeks…
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posted 4 months ago by u/andres_restrepo
help me understand purity, I have read the wiki twiceTrying to settle this properly because the thread from last year went in circles. The claim: certificate of analysis matters. The counter-claim: it is measurement…
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posted 4 months ago by u/nadia_fonseca
small win: batch stopped being a problem at week 6Been lurking in c/survodutide for about 10 months and finally have something worth posting. Short version: week 87, 1.0mg, and batch is the bit I still cannot get a…
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posted 5 months ago by u/soren_nkemelu
stalled for 20 weeks at 1.0mg and I refuse to panic this timePosting this because I searched for it and got nothing useful. Setup: 15mg, week 88, sulphur burps present but not ruining anything. I changed exactly one variable —…
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posted 5 months ago by u/anders_kuusela
am I the only one who found area percent harder than the injectionsRight, the area percent question again, but with numbers this time. I have 7 data points over 24 weeks. The pattern is consistent enough that I do not think it is…
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posted 5 months ago by u/laila_wojcik
unpopular opinion: COA is massively overratedTrying to settle this properly because the thread from last year went in circles. The claim: batch matters. The counter-claim: it is measurement error. Both sides have…
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posted 5 months ago by u/certified_reference
nobody warned me about nausea and I would have liked the warningQuick one. Canada here. COA works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice that…