QSC Peptides
Last reviewed April 21, 2026
Third-party testing
- Publishes COAs
- Third-party lab
- Janoshik Analytical
- Batch-specific COAs
- Verification codes
Every product page publishes a Janoshik-verifiable COA with a unique verification key. Researchers can search the key at verify.janoshik.com for independent confirmation. This is a best-in-class transparency posture for a gray-market vendor.
Operational
- Location
- Qingdao, China (global warehouses)
- Founded
- 2018
- Payment methods
- BTC, USDT (ERC-20)
- Shipping
- Regional warehouses in US, EU, UK, CA, AU. Domestic shipping where inventory is local; China warehouse for other jurisdictions.
These policies are declared by the vendor and verified by an Open Assay editor. The vendor may request updates at any time; editors verify before republication. Inaccuracies can be challenged via the objection process.
- Main business address
- Qingdao Sigma Chemical, Qingdao, China
- Business registration
- Qingdao Sigma Chemical (China)
- Ship-from locations
- US, EU, UK, CA, AU, SG, TH, VN
- Ships to
- Worldwide
- Testing cadence
- Per-batch, publicly verifiable
- Named analytical labs
- Janoshik Analytical
- Research-use-only statement
- Displayed on product pages
Editor note: Verified via qscpeptide.com and qingdaosigmachem.com (2026-04-23). Free standard shipping 2-5 days from nearest regional warehouse.
Cited third-party COAs
Publicly published results from Finnrick / Janoshik / Freedom, cited with attribution. Do not feed our ranking formula directly, but inform the narrative.
- BPC-157· Janoshik Analytical↗ janoshikinconclusive→