1.1k
bought a second-hand HPLC. worst best decision of my life. AMA
Two years ago I bought a decommissioned system for less than a decent bicycle. Since then I have learned more analytical chemistry than I ever wanted and spent more…
Top — this month — page 4
Positions 76–100 of 518 ranked submissions.
1.1k
[PSA] crypto payments are irreversible. price that in.
Been lurking in c/trialwatch for about 6 months and finally have something worth posting. Short version: week 40, 10mg, and chargeback is the bit I still cannot get a…
1.1k
[Pattern] the fake-testing-service scam is getting better and that worries me
Week 3 update. 19kg down from the start, early fullness basically gone since about week 55. Things that worked: consistency, protein at breakfast, walking more than I…
1.1k
[Data] packaging quality by vendor, scored on five things, 60 shipments
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 8 weeks…
PeptideMeter — community peptide analytics
Vendor-level purity averages over time, built from independent results rather than vendor claims. Transparent methodology, open dataset.
Browse results1.1k
[PSA] your bac water is fine, your fridge door is not
Been lurking in c/insurancefights for about 17 months and finally have something worth posting. Short version: week 14, 10mg, and dead space is the bit I still cannot…
1.1k
how many independent tests before you trust a vendor. my number is three
Week 55 update. 46kg down from the start, early fullness basically gone since about week 12. Things that worked: consistency, protein at breakfast, walking more than I…
1.1k
[Unverified] anyone else get a DM offering "wholesale pricing"
Trying to settle this properly because the thread from last year went in circles. The claim: cloned site matters. The counter-claim: it is measurement error. Both sides…
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mg ÷ mL, that is the whole formula, why did i find this hard
Something I noticed reading old threads that I have not seen said out loud. The advice on units in this community changed substantially around the start of last year,…
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[Long Term] found my lowest effective dose by going down, not up
Right, the lowest effective dose question again, but with numbers this time. I have 10 data points over 22 weeks. The pattern is consistent enough that I do not think…
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[Lane Report] Tianjin → Canada, 14 days, two of three vials cracked
Long-ish post, sorry. tl;dr at the bottom. I have been tracking shipping against ApoB for 15 weeks because I could not find anyone who had. The correlation is weaker…
1k
went too fast on reta and my resting HR told me before i noticed
Trying to settle this properly because the thread from last year went in circles. The claim: glucagon matters. The counter-claim: it is measurement error. Both sides…
1k
nausea day 2 post-injection like clockwork, week 14, does it ever stop
Quick one. Canada here. reflux works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice…
1k
[Question] my TSH moved 0.4. is that anything.
Quick one. Canada here. ferritin works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice…
1k
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…
1k
[Appeal] peer-to-peer review: what to say and what to bring
Something I noticed reading old threads that I have not seen said out loud. The advice on step therapy in this community changed substantially around the start of last…
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 standards997
[PSA] never post a wallet address here. not yours, not theirs.
Week 47 update. 13kg down from the start, muscle cramps basically gone since about week 87. Things that worked: consistency, protein at breakfast, walking more than I…
992
[Discussion] the UK conversation is completely different to the US one and we keep mixing them
Trying to settle this properly because the thread from last year went in circles. The claim: pricing matters. The counter-claim: it is measurement error. Both sides…
991
retention time shifted 0.4 min and nobody wants to talk about it
Long-ish post, sorry. tl;dr at the bottom. I have been tracking method development against eGFR for 19 weeks because I could not find anyone who had. The correlation is…
989
[Paper] ATTAIN-1 — an oral pill with no food restrictions is a bigger deal than the % suggests
Confession thread, sort of. I went from 12.5mg to 5mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 23 weeks…
988
my gallbladder came out at month 7 and i would still do it again
Right, the sulphur burps question again, but with numbers this time. I have 8 data points over 40 weeks. The pattern is consistent enough that I do not think it is…
979
[Management] injection site rotation map, zero lumps in 14 months
Trying to settle this properly because the thread from last year went in circles. The claim: nausea matters. The counter-claim: it is measurement error. Both sides have…
977
the sequence question that gets asked weekly, answered properly
Genuinely asking, not being difficult. Everyone in c/scamalerts repeats that regulatory is important. I believe it, but I have never seen anyone show why, and when I…
976
[Explainer] lyophilised powder is far more forgiving than you think
Confession 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 6 weeks…
968
net peptide content vs purity — two different numbers, same vial
Week 11 update. 22kg down from the start, muscle cramps basically gone since about week 51. Things that worked: consistency, protein at breakfast, walking more than I…
965
the glucagon arm is why the appetite effect feels different
Right, the triple agonist question again, but with numbers this time. I have 17 data points over 12 weeks. The pattern is consistent enough that I do not think it is…