Purity
Compounds released only after confirming >99% purity by HPLC analysis.
RESEARCH-GRADE PEPTIDES · RUOCutting-Edge
Open shop
Cutting-Edge
Peptides
Open shop
>99% HPLC Purity
Per-Batch COA
Discreet Shipping
Lyophilized research compounds, third-party verified by HPLC and mass spectrometry with full per-batch documentation. For research use only.
25% off your first research order
>99.2%
HPLC-verified purity
Identity confirmed by mass spec
100%
Per-batch COA
Documented & downloadable
24h
Discreet dispatch
Plain, temperature-aware packaging
30d
Return window
On unopened research items
ABOUT US
Welcome to PepSynex, your trusted source
Welcome to PepSynex, your trusted source
for premium-quality, lab-verified research peptides.
Trust, Transparency, Results
WHY PEPSYNEX
Built on four commitments
Transparency
Every batch ships with a downloadable Certificate of Analysis — nothing hidden.
Verification
Independent third-party labs confirm identity and purity by HPLC and mass spec.
Discretion
Plain, temperature-aware packaging and privacy-respecting fulfilment.
PRODUCTS
Verified Purity & Potency
LAB VERIFICATION
Every batch, documented and verifiable
Independent third-party laboratories analyse each lot for identity and purity. The resulting Certificate of Analysis is tied to its batch number and available to download — search any batch to retrieve its certificate. For research use only.
HPLC
Mass Spectrometry
Identity confirmed
Yes, all peptides are in powder form and must be reconstituted with bacteriostatic water.
Our peptides are sold strictly for research purposes only and are not for human consumption.
Peptides are studied across research areas such as recovery, metabolism, and cellular signaling. We make no human-use or therapeutic claims.
Store lyophilized peptides in a cool, dry place away from light. Once reconstituted, refrigerate.
Yes, we ship worldwide with tracked delivery on all orders.
Bulk and wholesale discounts are available — contact support for a custom quote.
Unopened products may be returned within 30 days. Reach out to support to start a return.
Lyophilized powder
Reconstitute with bacteriostatic water before research use.
Research Use Only
Sold strictly for laboratory research — not for human consumption.
Research applications
Studied across recovery, metabolism & cellular signaling.
Cold, dry storage
Keep lyophilized away from light; refrigerate once reconstituted.
Discreet worldwide shipping
Plain, tracked delivery on every order.
Bulk & wholesale
Volume tiers available — request a custom quote.
30-day returns
Unopened research items returnable within 30 days.