Veteran Owned and Operated

Research-Grade Peptides. Verified Purity. US Compounded.

33 compounds. Third-party tested. Certificate of Analysis with every order.

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  • 33 Compounds
  • ISO 17025 Tested
  • Ships in 24h
  • US Compounded
Research vial and pipette with molecular structures in a laboratory

PepStep supplies 33 research-grade compounds and research supplies, each backed by rigorous third-party standards and verified purity. A Certificate of Analysis from an independent US lab is included with every order.

What is a Peptide?

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Third-Party Lab Tested

Independently verified in an accredited US lab for identity, purity, and sterility.

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Verified Purity

Every batch confirmed by HPLC and mass spectrometry before release.

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US Compounded

Processed and compounded in the United States.

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COA With Every Order

A Certificate of Analysis ships with every batch.

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Peptide Catalog

All peptides available at wholesale — 30% off for members. Become a member

5-Amino-1MQ 5mg vial

5-Amino-1MQ 5mg

$175
BPC-157 10mg vial

BPC-157 10mg

$325
TB-500 (Thymosin Beta-4) vial

TB-500 (Thymosin Beta-4)

$275
Epithalon 10mg vial

Epithalon 10mg

$325
Epithalon 50mg vial

Epithalon 50mg

$325
Sermorelin 5mg vial

Sermorelin 5mg

$225
Sermorelin 10mg vial

Sermorelin 10mg

$325
Tesamorelin vial

Tesamorelin

$325
Ipamorelin 10mg vial

Ipamorelin 10mg

$325
Ipamorelin 5mg vial

Ipamorelin 5mg

$225
NAD+ 500mg vial

NAD+ 500mg

$400
NAD+ 1000mg vial

NAD+ 1000mg

$400
GHK-Cu 100mg vial

GHK-Cu 100mg

$350
GHK-Cu 50mg vial

GHK-Cu 50mg

$250
MOTS-c 40mg vial

MOTS-c 40mg

$325
MOTS-c 10mg vial

MOTS-c 10mg

$325
CJC-1295 No DAC 5mg vial

CJC-1295 No DAC 5mg

$250
CJC-1295 No DAC 10mg vial

CJC-1295 No DAC 10mg

$325
NAD+ vial

NAD+

$500
Wolverine Blend (BPC + TB-500) vial

Wolverine Blend (BPC + TB-500)

$325
Klow Blend (GHK-Cu / TB-500 / BPC-157 / KPV) vial

Klow Blend (GHK-Cu / TB-500 / BPC-157 / KPV)

$375
Glow Blend (GHK-Cu / TB-500 / BPC-157) vial

Glow Blend (GHK-Cu / TB-500 / BPC-157)

$350
CJC-1295 / Ipamorelin vial

CJC-1295 / Ipamorelin

$325
Tesamorelin / Ipamorelin vial

Tesamorelin / Ipamorelin

$325
SS-31 vial

SS-31

$275
KPV vial

KPV

$275
Thymosin Alpha-1 vial

Thymosin Alpha-1

$275
Epitalon vial

Epitalon

$275
Selank vial

Selank

$275
NAD+ Nasal vial

NAD+ Nasal

$375
Selank Nasal vial

Selank Nasal

$350
BAC Water 3mL vial

BAC Water 3mL

$15
BAC Water 10mL vial

BAC Water 10mL

$30
Peptide Explanation

Source: Shawn Ryan Show #330 – Dr. Craig Koniver

Our Testing Standards

At PepStep Guide and Research, we hold ourselves to a higher standard than basic purity and content testing. Each batch undergoes comprehensive third-party evaluation, including specialized endotoxin screening to confirm LPS-free material, and sterility checks performed by an ISO/IEC 17025:2017 accredited laboratory — precautions many competitors choose not to implement.

Endotoxins are microscopic bacterial byproducts that can trigger unwanted immune reactions even when a product appears visually clean. By incorporating advanced medical-grade testing, we remove these hidden risks and provide confidence in every dose.

The sterility verification goes beyond filtration alone, ensuring that no viable microbes are present. This step safeguards research by preventing contamination that could compromise results or render experiments unusable.

Every lot is supported with transparent certificates confirming purity, content, endotoxin levels, and sterility. These measures are not optional at our company; they are the foundation of the trust we build with our customers. When precision matters, choose peptides tested to standards that others overlook.