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Third-Party Tested Research Compounds◆ COA Verification Available for Every Batch◆ 99%+ Purity Standards◆ Research Use Only◆ Fast U.S. Fulfillment◆ Transparent Batch Testing & Documentation◆ Secure Checkout & Order Processing◆ Third-Party Tested Research Compounds◆ COA Verification Available for Every Batch◆ 99%+ Purity Standards◆ Research Use Only◆ Fast U.S. Fulfillment◆ Transparent Batch Testing & Documentation◆ Secure Checkout & Order Processing◆
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PEPTEX Labs
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Research-grade peptides

Research-Grade Peptides. Independently Verified.

  • Third-Party Tested
  • COA Verified
  • Ships From USA
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For research use only

99.4%

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Catalog

Featured research compounds

High-purity peptides, each documented with a third-party COA and shipped from the US.

GLP / Metabolic

Retatrutide · 10 mg

$64.00

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GLP / Metabolic

Tirzepatide· 20 mg

$64.00

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Repair

BPC-157 · 10 mg

$64.00

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Research categories

Find compounds fast by research area.

Weight Management Research

GLP-1 & metabolic compounds 12Compounds

Recovery & Regenerative Research

Tissue repair & recovery peptides 18Compounds

Mitochondrial & Longevity Research

Cellular energy & aging 14Compounds

Cognitive & Neurological Research

Nootropic & neuro peptides 10Compounds

Growth Hormone Research

GH secretagogues & releasers 8Compounds

Specialty Research Compounds

Targeted & specialty peptides 16Compounds
Third-Party Tested
COA Verified
99%+ Purity
Ships From USA
Research Use Only
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Premium Research Peptides

Third-Party Tested

COA Verified

99%+ Purity Standards

Secure Checkout

Research Use Only

Fast Shipping

Who we are

Built on quality. Proven by transparency.

PEPTEX Labs exists to give researchers compounds they can trust. Every batch is independently lab-tested for purity and identity, and we publish the Certificate of Analysis for each one — no guesswork, no faith required. High-purity research compounds, transparent documentation, and standards that hold up to scientific scrutiny.

99%+

Verified purity

100%

Batches with COA

Third-party

Independently tested

Same-day

US dispatch

99%+

Verified purity

100%

Batches with COA

Third-party

Independently tested

Same-day

US dispatch
Verification

Every batch documented.

We publish a third-party Certificate of Analysis for every batch — so you verify identity, purity and content before you order, not after.

View Certificates of Analysis

Certificate of Analysis

HPLC / MS

99.4%
Compound

[Research Compound]

Batch #

PX-XXXX

Purity (HPLC)

98–99.9%

Date

YYYY-MM-DD

Our standard

What "research-grade" means here

Independent testing

Each batch goes to an accredited third-party lab for HPLC/MS analysis — purity, identity and consistency, no exceptions.

Published transparency

We post the actual Certificate of Analysis for every batch. You read the data before you buy — not a generic claim.

Handling & storage

Compounds supplied lyophilized, packaged to protect integrity in transit, with reconstitution guidance for the lab.

How it works

Documented from batch to box

01

Source & synthesize

Compounds produced to research-grade specification.

02

Independently test

Third-party HPLC/MS verification on every batch.

03

Publish & ship

COA published, then dispatched same-day from the US.

Our mission

Give researchers data they can actually trust.

Most suppliers ask you to take purity on faith. We’d rather hand you the chromatogram. Verified compounds, transparent documentation, and fulfillment that respects the work you’re doing.

99.9%

Peak purity tested

100%

Batches with a COA

Same-day

US dispatch

50

States shipped
Questions

Frequently asked

Yes. Every batch is independently tested by an accredited third-party lab using HPLC/MS for purity, identity and consistency. The Certificate of Analysis for each batch is published on the site.

All products are supplied strictly for laboratory and research use. They are not for human or veterinary consumption, medical, or diagnostic use, and are sold only to qualified researchers and institutions.

You must be at least 21 and a qualified researcher or represent a qualified research institution. By ordering you confirm you have the proper facilities, equipment and personnel to handle research compounds.

Orders placed before 1PM PST ship the same business day, packaged to protect integrity in transit, with tracking on every order. Free shipping on orders over $250.

Refunds are available for damaged or incorrect products — contact support within 48 hours of delivery. Due to the nature of the products, we cannot accept returns of opened items.

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Research-grade compounds, documented and ready to ship from the US.

Browse the catalog

Premium research compounds with verified purity. Third-party tested and documented for researchers across the US.

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Contact

support@peptexlabs.com

United States

Disclaimer

All products on this site are intended strictly for laboratory and research use only — not for human or veterinary consumption, medical, or diagnostic use. These statements have not been evaluated by the U.S. Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease. PEPTEX Labs is a chemical supplier; it is not a compounding pharmacy or compounding facility under section 503A, and not an outsourcing facility under section 503B, of the Federal Food, Drug, and Cosmetic Act. You must be at least 21 years of age to use this website. By purchasing, you certify that you are a qualified researcher or institution and will use these compounds only for legitimate research purposes.

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