Free Shipping • USPS/FedEx in USA 🇺🇸 • GLS in EU 🇪🇺
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇦🇺 🇨🇦
🧪 Research Use Only • ≥99% Purity Verified • COA on Every Product • Domestic Shipping: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺
International Research Peptide Supplier
Research Peptide Science, Made Accessible, Shipped From Your Local Warehouse
QSC vision is to make research peptides more accessible. As a direct manufacturer and through trusted manufacturing partners, every compound is verified at ≥99% purity and ships domestically from USA, EU, UK, Canada, or Australia.
Global logistics disruptions are currently causing delays on all China-origin shipments, with transit times extended by an additional 5–20 days (on top of the usual 7–21 business days), depending on the destination.
Domestic warehouse orders are unaffected — enjoy fast 2–7 business day delivery with no customs delays when ordering from local stock.
The Venus Protocol is a 10-compound, 100-vial women’s health research kit built around Retatrutide (triple GLP-1/GIP/GCGR agonist) for maximum metabolic potency — plus collagen/skin/hair (GHK-Cu + L-Glutathione), cellular longevity (NAD+ + Epithalon), gut health (BPC-157 + TB-500), GH axis & sleep (CJC-1295 + Ipamorelin), and sexual wellness (PT-141/Vyleesi). Zero testosterone, zero steroids. All lyophilized at ≥99% purity with Janoshik COA.
The most comprehensive longevity research stack ever assembled. 12 synergistic compounds targeting 10 biological pathways of aging — from telomere maintenance and senescent cell clearance to mitochondrial repair and immune rejuvenation. Built around NAD+ (sirtuin/bioenergetics), Epithalon (telomerase), SS-31 (mitochondrial repair), FOXO4-DRI (senolytic), and Thymosin Alpha-1 (immune rejuvenation). All lyophilized at ≥99% purity with Janoshik COA. Gender-neutral, no androgens.
≥99% Purity 12 Compounds 120 Vials All Lyophilized No Androgens COA Included View Midas Protocol →
Domestic Warehouses & Shipping
When inventory is available locally, your order ships domestically — no customs clearance, local courier tracking, and typical delivery in 2–7 business days.
QSC is one of the most recognised peptide suppliers in the global research community, making high-purity research peptides more accessible to laboratories, distributors, and the growing looksmaxxing research community in more than 100 countries.
QSC operates as both a direct manufacturer and through a vetted partnership model. Core peptides are produced in-house using solid-phase peptide synthesis (SPPS), advanced purification systems, and full analytical testing. QSC also partners with rigorously vetted manufacturers to expand its catalog — ensuring every product, whether in-house or partner-sourced, undergoes the same quality control process including HPLC purity analysis, mass spectrometry, and impurity profiling.
The qsc-usa.com storefront is the dedicated US and international distribution interface for QSC products, operated to serve researchers in North America, Europe, Oceania, Asia, and beyond.
QSC maintains domestic warehouses in the United States, European Union, United Kingdom, Canada, and Australia. When your product is in stock locally, it ships domestically with no customs clearance required. International shipping via the China warehouse is available for international.
What purity are QSC peptides?
QSC research peptides are verified at ≥99% purity by HPLC analysis and mass spectrometry. Every product page includes a Certificate of Analysis (COA) independently verifiable via the Janoshik testing portal — not just available on request, but proactively published for every batch.
Is QSC the manufacturer or a reseller?
QSC operates as both a direct manufacturer and through a partnership model. Core peptides are produced in-house using solid-phase peptide synthesis (SPPS), purified by preparative HPLC, lyophilized, and analytically verified. QSC also partners with rigorously vetted manufacturers to expand its product range — all partner-sourced products undergo the same QSC quality control process before distribution. QSC does not source product from undisclosed or unvetted third parties.
What payment methods does QSC accept?
QSC accepts Bitcoin (BTC) and USDT (ERC-20) cryptocurrency payments for all orders worldwide. After checkout you will receive payment instructions and a confirmation email with tracking information once your order ships.
What is the Clavicular Stack?
The QSC Clavicular Ascension Stack is a 12-compound, 110-vial + 100-tablet extended research kit covering 8 biological pathways:
The QSC Midas Longevity Protocol is a 12-compound, 120-vial anti-aging research kit targeting 10 biological pathways of aging. No androgens, no steroids, gender-neutral:
All products sold on qsc-usa.com are intended strictly for laboratory research purposes only. They are not approved for human consumption, veterinary use, or any other application. Researchers are responsible for understanding and complying with local regulations in their jurisdiction.
Research Use Only: All products sold on qsc-usa.com are intended strictly for laboratory research purposes only. They are not approved for human consumption, veterinary use, or any other application. Researchers are responsible for understanding and complying with local regulations governing research chemicals in their jurisdiction.
