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Evidence-based GLP-1 & peptide discussion since 2023
ForumsVerified VendorsPureRawz tested at 91% purity on Janoshik — below acceptable threshold Page 2

PureRawz tested at 91% purity on Janoshik — below acceptable threshold

PurityPaulOR Sat, Mar 28, 2026 at 2:43 AM 11 replies 764 viewsPage 2 of 3
SandraNC_45
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312
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Sep 2024
Charlotte, NC
Mar 28, 2026 at 8:00 AM#6
I appreciate the testing culture here. This is what separates this community from sketchy forums where people just take vendors at their word. I tested my first QSC batch last month: 97.1% purity. Slightly lower than OP's but still well within spec. The variation between batches is normal for any manufacturer. The real question people should ask isn't "is it 98% or 97%?" — it's "is it actually semaglutide and is it reasonably pure?" The answer with QSC has consistently been yes.
9 4FranDenver, Dr.BariatricHTX, LindaRN_retired and 6 others
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tony_orlando
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Nov 2024
Orlando, FL
Mar 28, 2026 at 10:04 AM#7
Genuine question — is testing every batch necessary? At $135-220 per test, that adds significant cost if you're ordering regularly. I've tested my first QSC order (came back 97.9%) but haven't tested subsequent orders from the same vendor. Am I being irresponsible?
Last edited: Mar 28, 2026 at 11:04 AM
8 3JakeSmashed95, NauseaFreeNow, SteveThurs and 5 others
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josh_phd_bmore
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Jul 2024
Baltimore, MD
Mar 28, 2026 at 12:08 PM#8
tony_orlando That's a fair question. My approach: - First order from ANY vendor: Always test. Non-negotiable. - Subsequent orders, same vendor: Test every 3rd or 4th order, or whenever there's a batch number change - If you notice anything different (appearance, efficacy, side effects): Test immediately You don't need to test every single order from a verified vendor with a long track record. But periodic verification keeps everyone honest. Many of us share test results here which helps spread the cost across the community.
7 2zoe_NC, Dr.ObesityLA, NurseKim_ATL and 4 others
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bri_stats
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3,456
May 2024
Seattle, WA
Mar 28, 2026 at 2:12 PM#9
Since we're on the topic, here's the aggregated QSC semaglutide Janoshik data from this forum (publicly shared results only): QSC Semaglutide - Community Janoshik Results (n=42) - Mean purity: 97.8% - Median: 97.9% - Range: 95.6% - 99.1% - Std Dev: 0.82% - % of tests ≥97%: 88% - % of tests ≥95%: 100% Every single community-submitted test has been ≥95%. That's a perfect record on the most important threshold. I update this data monthly in the Vendor Testing Megathread if anyone wants to follow along.
Last edited: Mar 28, 2026 at 6:12 PM
6 1JessicaM_2024, TomFromTexas, mike.trainer_LA and 3 others
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sarah_nash92
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Jun 2024
Nashville, TN
Mar 29, 2026 at 12:10 AM#10
bri_stats Thanks for maintaining that data — it's incredibly valuable for the community. And tony_orlando — to add to josh_phd_bmore's point, even if you don't test every order, the fact that dozens of community members ARE testing means we'd catch any quality issues quickly. The distributed testing model works because of forums like this. My personal approach: I budget $135 every 3 months for a Janoshik test. It's cheaper than one month of brand Ozempic. 🤷‍♂️
42 15KetoKyle, CanadaChris, ZaraB_AL and 39 others
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