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QSC (Qingdao Sigma Chemical)Unverified
China · Est. · https://qsc.wiki
3.4/5.0
Community Reputation Score
QSC (Qingdao Sigma Chemical) is a China-based vendor focused on wholesale/bulk peptide supply. Listed on Finnrick with 21 test samples (rating: A to C). Known in Reddit communities. Chinese manufacturer/vendor.
Budget-Friendly
Last verified: 2026-03-19
⚠️ Unverified Vendor — This vendor's website could not be verified as active. The information shown may be outdated or inaccurate. Exercise extra caution.
Payment Methods
unknown
Shipping
Speed: Varies
International
Pros
- ✓Finnrick tested (21 samples)
- ✓Carries GLP-1 peptides
Cons
- ✗Limited independent testing data
Additional Products
TirzepatideSemaglutideRetatrutideBPC-157
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