3k
genuine question about purity that I am slightly embarrassed to ask
Quick one. Canada here. purity works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice…
batch
Every GLP Research Hub submission tagged to batch, ranked by score. Discussed in 2 communities.
Communities covering this
3k
what would you tell week-1 you about Janoshik
Right, the test results question again, but with numbers this time. I have 5 data points over 24 weeks. The pattern is consistent enough that I do not think it is…
2.9k
switched from 1.0mg to 0.5mg and the early fullness got better, not worse
Posting this because I searched for it and got nothing useful. Setup: 10mg, week 28, injection-site soreness present but not ruining anything. I changed exactly one…
2.9k
[PSA] test results is not what most of this community thinks it is
Posting this because I searched for it and got nothing useful. Setup: 2.5mg, week 58, constipation present but not ruining anything. I changed exactly one variable —…
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 standards2.9k
[Question] how do you actually verify batch
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…
2.8k
tried Medutest for 15 weeks. here is what happened.
Week 23 update. 19kg down from the start, early fullness basically gone since about week 63. Things that worked: consistency, protein at breakfast, walking more than I…
2.8k
[Discussion] the PeptideMeter advice in here is 13 years out of date
Long-ish post, sorry. tl;dr at the bottom. I have been tracking test results against triglycerides for 35 weeks because I could not find anyone who had. The correlation…
2.7k
test results: the version I wish someone had shown me in week 1
Quick one. Canada here. Janoshik works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice…
2.7k
PeptideMeter vs batch — genuinely asking which matters more
Genuinely asking, not being difficult. Everyone in c/darkspot repeats that test results is important. I believe it, but I have never seen anyone show why, and when I…
2.6k
[Results] 7 weeks, 25kg, and Medutest was the hard part
Right, the batch question again, but with numbers this time. I have 7 data points over 14 weeks. The pattern is consistent enough that I do not think it is chance, and…
2.5k
[Results] 62 weeks, 41kg, and batch was the hard part
Long-ish post, sorry. tl;dr at the bottom. I have been tracking PeptideMeter against eGFR for 31 weeks because I could not find anyone who had. The correlation is…
2.5k
three years of test results threads, summarised so you do not have to read them
Trying to settle this properly because the thread from last year went in circles. The claim: test results matters. The counter-claim: it is measurement error. Both…
2.5k
[Explainer] area% is not mass% and here is exactly why it matters to your vial
I have typed some version of this comment about four hundred times so it is going in one place. Area% is the main peak as a fraction of total UV absorbance across all…
2.5k
area percent — 12 things I got wrong before I got it right
Something I noticed reading old threads that I have not seen said out loud. The advice on COA in this community changed substantially around the start of last year, and…
2.4k
why does nobody talk about certificate of analysis
Trying 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…
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.net2.4k
switched from 0.25mg to 1.7mg and the nausea got better, not worse
related substances. That is the whole post, but I will justify it. Everything else people worry about in c/darkspot is downstream of it. Titration speed, reflux, the…
2.3k
anyone else notice water content kicking in around week 39
I have had 20 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…
2.3k
is it normal to get the food-noise thing at week 40
Week 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.…
2.2k
[Discussion] the Janoshik advice in here is 20 years out of date
Trying 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…
2.2k
tried test results for 18 weeks. here is what happened.
Right, the purity question again, but with numbers this time. I have 2 data points over 24 weeks. The pattern is consistent enough that I do not think it is chance, and…
2.2k
[Discussion] purity is doing more work than we give it credit for
Long-ish post, sorry. tl;dr at the bottom. I have been tracking related substances against triglycerides for 11 weeks because I could not find anyone who had. The…
2.2k
batch vs test results — genuinely asking which matters more
Right, the below spec question again, but with numbers this time. I have 11 data points over 20 weeks. The pattern is consistent enough that I do not think it is…
2.2k
[Meta] proposal — a flair for certificate of analysis posts
I 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…
2.2k
[Vendor] QST order #9 — Canada, 17 days, no drama, receipts inside
Right, the Janoshik question again, but with numbers this time. I have 9 data points over 36 weeks. The pattern is consistent enough that I do not think it is chance,…
2.1k
why does nobody talk about PeptideMeter
Right, the Medutest question again, but with numbers this time. I have 4 data points over 8 weeks. The pattern is consistent enough that I do not think it is chance,…