Skip to main content
Free Shipping Over $500 Lab Verified Purity ≥99% 🇺🇸 US Warehouse 🇭🇰 HK Warehouse 3-Day Average Delivery Third-Party Certified
Third-Party Certified

Reliable Chinese
Peptide Manufacturer

A powerful factory with over 5 years of manufacturing experience. Warehouses in Hong Kong and the United States for fast shipping.

Crest Peptide peptide products
24+
Premium Products
≥98%
Average Purity
35+
Countries & Regions
5-15
Days Delivery

Superior Quality & Reliable Supply Chain

Purpose-built for industry leaders who demand the highest standards of purity, compliance, and delivery consistency.

8 Years Experience

A proven track record in high-quality synthesis and large-scale peptide manufacturing.

OEM / ODM

Custom formulation and private-label production. Raw material wholesale also available.

Hong Kong & USA

Dual warehouse network for faster, more reliable global delivery.

Research Purity

Rigorous purification processes achieving peptide purity of 99% and above.

3rd-Party Tested

Independent HPLC/MS verification by Janoshik — every batch, no exceptions.

Featured Solutions

Comprehensive synthesis services and ready-to-ship compounds, engineered to exacting specifications.

View All Products

Uncompromising Quality

Our products undergo rigorous testing at the renowned Janoshik Laboratory in Europe, ensuring the highest standards of purity and safety.

Third-Party Certified

Every batch is sent to Janoshik Analytical for independent HPLC testing to ensure purity ≥98% before shipping.

Detailed COA Reports

Complete Certificates of Analysis with HPLC purity data included with every product. All reports publicly accessible.

Lyophilized & Sealed

Peptides are lyophilized (freeze-dried) and sealed in sterile vials with appropriate insulation for stability.

View COA Library
Crystallized molecular structure
Laboratory surfaces with blue drops

Certificates of Analysis

Every batch independently verified by Janoshik Analytical. All COAs are publicly accessible.

Browse COA Library
CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

CERTIFICATE OF ANALYSIS

COA Report

Order to Delivery Process

From our warehouse to your doorstep. We prioritize speed, reliability, and transparency.

01

Order Confirmed

Payment verified, order relayed to warehouse team.

02

Processing

Packed within 24 hours, sent to logistics within 72 hours.

03

Tracking

Tracking number emailed as soon as facility scans your package.

04

Transit

Standard shipping takes 3-7 business days via DHL, FedEx, UPS.

05

Support

Any delays or issues? Contact support for swift resolution.

Partnership & Support

We provide exceptional support to researchers, clinics, and distributors, ensuring you have the tools to succeed.

For Researchers

Precision-manufactured peptide products for biotechnology companies, research laboratories, and innovative technology companies.

Contact Us

Distributor Program

We provide exceptional support to our franchisees and distributors, ensuring you have the tools to succeed in your market.

Apply Now

Industry Standards

Our commitment to excellence drives us to maintain the highest production standards in the industry for research and bioactive substances.

Learn More

Frequently Asked Questions

Quick answers to the most common questions about our products, shipping, and services.

We specialize in a variety of high-purity peptides, including custom peptides, research-grade peptides, cosmetic peptides, and peptide lyophilized powders and raw materials for pharmaceutical applications.

Our peptides are typically ≥98% pure, and we provide detailed COA (Certificate of Analysis) reports with every batch, independently verified by Janoshik Analytical.

Yes, we ship to over 35 countries and regions worldwide and provide full order tracking. We have two warehouses, one in Hong Kong and one in the United States, matching orders to destinations for optimal delivery.

We support multiple secure payment methods including Bitcoin, ETH, USDT, USDC, other cryptocurrencies, Bank Transfer (T/T), and Wise.

In the United States, only licensed pharmacies can compound peptides and resell them for human use. Peptides in powder form must be marked "Research Use Only" for legal and liability reasons. We cannot provide medical advice of any kind.

Crest Peptide lab
+12062713496 support@crestpep.com

For urgent inquiries, contact us via WhatsApp for priority handling and a fast response.

Get a Quote

Request Pricing Today

Fill in your details and our team will respond within 1 business day with custom pricing and availability.

No spam. Your info is only used to respond to your inquiry.

Protect Yourself from Fraud

Verify any person claiming to represent Crest Peptide before sharing information or making payments. Our identity verification system takes 30 seconds.

Verify Identity

Latest from the Lab

Research insights, product guides, and industry updates.

View All Articles