QSC Peptides (Qingdao Sigma Chemical Co., Ltd.) is a direct manufacturer of research compounds with an EU warehouse for deliveries across Ireland. Orders are shipped as intra-EU domestic parcels — no international customs, no import delays. Minimum 99% HPLC purity, verifiable Janoshik COA. 200+ compounds. Crypto & SWIFT wire transfer payment accepted. Direct manufacturer since 2016.
200+ research compounds available from EU warehouse stock.
200+ research compounds. Bitcoin, USDT. >=99% HPLC purity, Janoshik COA.
Order Now →Research Use Only. All compounds are exclusively intended for laboratory research. Not for human consumption. Not medicinal products under applicable regulations.
QSC (Qingdao Sigma Chemical Co., Ltd.) was founded in 2016 in Qingdao, Shandong Province, China, and operates as a direct manufacturer of research compounds — not a reseller. QSC controls the entire production process from chemical synthesis to final quality control, guaranteeing minimum 99% purity by HPLC and mass spectrometry in every batch. The Janoshik independent laboratory COA is publicly verifiable at janoshik.com. The company holds 111+ verified reviews in the MESO-Rx community with a 5.0-star rating. The catalogue includes 200+ compounds: GLP-1 agonists, GH secretagogues, recovery peptides, longevity compounds, nootropics and more. Ireland, as the only English-speaking EU member state, is served directly from the EU warehouse in 3-5 business days.