8 featured · 250+ catalog · ≥99% purity · Global delivery

Reliable, High-Purity
Peptides for Research

PepNexa: Precision for Every Discovery. Dependable research peptide supply and professional global support for metabolic, weight management, and biotech research.

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173
Verified Batches
60+
Research Peptides
30+
Countries Served
99.3%
Avg HPLC Purity
0%
Purity Standard
0+
Research Peptides
0
Vials per Box
0h
Quote Response
173
CoA Documents Issued
across 63 products
30%
GMP-Grade Batches
remainder Research-Grade
99.3%
Average HPLC Purity
across all released batches
48h
Average Dispatch
from order to carrier handoff
8
Analytical Tests / Batch
HPLC + MS + AAA + endotoxin + …
2-8°C
Cold-Chain Storage
light-protected throughout
Featured

Featured Peptides

Eight research-grade peptides covering metabolic, weight loss, and growth pathway studies.

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Pillars

Why Choose PepNexa

Four pillars that make us the preferred peptide supply partner for research teams worldwide.

01

Verified Purity

Every batch meets ≥99% HPLC threshold

  • Reverse-phase HPLC main-peak verification
  • Mass spectrometry (ESI-MS) confirmation
  • Lot-specific CoA, chromatogram & MS data shipped with every order
≥99% Purity standard across all 8 peptides
02

Global Fulfillment

Reliable shipping to 40+ countries

  • Temperature-controlled packaging & documented chain of custody
  • Customs documentation prepared for North America, EU, APAC & MENA
  • Bulk and recurring orders with predictable lead times
40+ Countries served across 4 regions
03

Full Documentation

Every order ships with complete records

  • Certificate of Analysis with HPLC chromatogram
  • Mass spectrum & peptide content verification
  • Batch-level traceability from synthesis to shipment
3 docs CoA + HPLC + MS per shipment
04

Fast Response

Quote within 24h, reply within 4h

  • Direct WhatsApp contact with peptide specialists
  • Custom quotes for bulk, recurring, and specification requests
  • Technical support on peptide handling, storage & reconstitution
<4h WhatsApp response on business days
Verified

Certificate of Analysis · Batch Reports

Every batch ships with a full CoA. Browse our most recent verified reports across 60+ products.

View All 173 Batch Reports
Live

Recent Batch Activity

The latest verified releases from our synthesis line. Updated continuously as new batches pass QC.

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FAQ

Frequently Asked Questions

Common questions about our products, ordering, and global fulfillment.

What is the minimum order quantity?
We accept orders starting from a single box (10 vials). Bulk pricing applies for orders of 10+ boxes.
How do you ensure product quality and purity?
All peptides are ≥99% purity verified through HPLC and mass spectrometry.
Do you ship internationally?
Yes — we fulfill research orders worldwide with appropriate handling protocols.
Are products for human consumption?
No. All PepNexa products are labeled and sold strictly for laboratory research use only.
How can I request the full catalog and pricing?
Click the "Request Full Catalog" button or message us on WhatsApp.
Voices

What Researchers Say

Direct feedback from research teams, procurement leads, and principal investigators we serve.

“The CoA with each shipment matches the published spec exactly. Our QC team signed off without a single retest in the last eight months.”
ML
Dr. Marcus L.
Principal Investigator · Metabolic Disease Lab · EU
★★★★★ Semaglutide · Tirzepatide
“HPLC purity was 99.4% on a 5 mg research lot — exactly as advertised. Mass spec clean, endotoxin below detection. Repeat supplier.”
RC
R. Chen
Procurement Lead · Biotech Startup · North America
★★★★★ Retatrutide
“Quote in 4 hours, dispatched in 48, landed in our -20°C freezer 6 days later. Cold chain intact. This is how B2B peptide supply should work.”
SK
Dr. S. Kapoor
Lab Director · Academic Research Group · APAC
★★★★★ BPC-157 · TB-500
Method

Eight Tests Per Batch

Every release passes a fixed analytical panel. No release without full data, no shortcuts on the panel.

HPLC Purity
≥99.0% main peak
Molecular Weight (ESI-MS)
±0.5 Da of theoretical
Amino Acid Analysis
conforms to sequence
Endotoxin (LAL)
<0.5 EU/mg
Residual Solvents
ICH Q3C compliant
Water Content (KF)
≤8.0%
Optical Rotation
within published range
Peptide Content
≥75% by amino acid basis
View Live Batch Reports
Private Catalog

Need Our Complete Product Catalog?

We maintain a private catalog of 250+ research peptides with tier-based pricing.

To protect distributor partnerships, the full price list is shared only via direct WhatsApp contact.

Request via WhatsApp Browse 8 Featured

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