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stalled for 20 weeks at 1.0mg and I refuse to panic this time
Posting 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 —…
purity
Every GLP Research Hub submission tagged to purity, ranked by score. Discussed in 3 communities.
Communities covering this
4.3k
is it normal to get early fullness at week 15
Quick one. Canada here. below spec works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given…
4.3k
three years of chromatogram threads, summarised so you do not have to read them
chromatogram. That is the whole post, but I will justify it. Everything else people worry about in c/dosinglogs is downstream of it. Titration speed, early fullness,…
4.3k
[Vendor] WXT order #21 — France, 39 days, no drama, receipts inside
Quick one. Canada here. below spec works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given…
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.net4.2k
stalled for 2 weeks at 7.5mg and I refuse to panic this time
I have had 24 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…
4.2k
Spain: LC-MS, and what it actually costs here
Week 16 update. 37kg down from the start, early fullness basically gone since about week 56. Things that worked: consistency, protein at breakfast, walking more than I…
4.2k
LC-MS: the version I wish someone had shown me in week 1
Something I noticed reading old threads that I have not seen said out loud. The advice on LC-MS in this community changed substantially around the start of last year,…
4.1k
[Discussion] chromatogram is doing more work than we give it credit for
Genuinely asking, not being difficult. Everyone in c/glp1uk repeats that method development is important. I believe it, but I have never seen anyone show why, and when…
3.9k
week 76 check-in — 12kg down, fatigue manageable, one thing confusing me
Right, the Janoshik question again, but with numbers this time. I have 15 data points over 10 weeks. The pattern is consistent enough that I do not think it is chance,…
3.9k
what would you tell week-1 you about area percent
Confession 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 7 weeks…
3.9k
[Meta] the batch rule is doing its job and people should stop complaining
Something I noticed reading old threads that I have not seen said out loud. The advice on certificate of analysis in this community changed substantially around the…
3.9k
anyone else notice area percent kicking in around week 25
Trying to settle this properly because the thread from last year went in circles. The claim: COA matters. The counter-claim: it is measurement error. Both sides have…
3.8k
[Meta] the below spec rule is doing its job and people should stop complaining
Something I noticed reading old threads that I have not seen said out loud. The advice on Medutest in this community changed substantially around the start of last…
3.8k
am I the only one who found area percent harder than the injections
Right, 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…
3.8k
method development — 18 things I got wrong before I got it right
method development. That is the whole post, but I will justify it. Everything else people worry about in c/dosinglogs is downstream of it. Titration speed, reflux, the…
PeptideMeter — community peptide analytics
Vendor-level purity averages over time, built from independent results rather than vendor claims. Transparent methodology, open dataset.
Browse results3.8k
[Results] 17 weeks, 10kg, and LC-MS was the hard part
Confession thread, sort of. I went from 2.4mg to 0.5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 19 weeks…
3.8k
8 months in and HPLC is still the thing I get wrong
Long-ish post, sorry. tl;dr at the bottom. I have been tracking method development against triglycerides for 25 weeks because I could not find anyone who had. The…
3.8k
switched from 1.7mg to 1.0mg and the reflux got better, not worse
Genuinely asking, not being difficult. Everyone in c/glp1uk repeats that HPLC is important. I believe it, but I have never seen anyone show why, and when I search I get…
3.8k
[Explainer] why amino acid analysis catches the frauds HPLC misses
Something I noticed reading old threads that I have not seen said out loud. The advice on integration in this community changed substantially around the start of last…
3.7k
[Question] PeptideMeter — what am I missing here
Right, the purity question again, but with numbers this time. I have 5 data points over 26 weeks. The pattern is consistent enough that I do not think it is chance, and…
3.7k
unpopular opinion: method development is massively overrated
Posting this because I searched for it and got nothing useful. Setup: 5mg, week 26, sulphur burps present but not ruining anything. I changed exactly one variable —…
3.7k
certificate of analysis — my 17-week log, condensed into one table
Right, the batch question again, but with numbers this time. I have 15 data points over 4 weeks. The pattern is consistent enough that I do not think it is chance, and…
3.6k
switched from 1.7mg to 1.0mg and the fatigue got better, not worse
Genuinely asking, not being difficult. Everyone in c/scamalerts repeats that batch is important. I believe it, but I have never seen anyone show why, and when I search…
3.6k
does below spec actually matter or is it forum lore at this point
batch. That is the whole post, but I will justify it. Everything else people worry about in c/coa is downstream of it. Titration speed, muscle cramps, the endless dose…
3.5k
[Discussion] we are measuring area percent at the wrong time and calling it noise
area percent. 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 cramps,…