30%off your first orderNew customers only

Trusted by Researchers.
Built on Proof.

America's Most Trusted Research Peptide Brand.

Research-grade compounds backed by rigorous testing, transparent documentation, and a standard we refuse to compromise.

The Purple Standard™

Documented quality for research and laboratory use.
Every batch meets our internal purity standards.

Batch-level purity

Review available HPLC results for the lot you receive.

Certificates of Analysis

Find the documentation available for your batch.

Research, delivered

Explore products and verified batch records in one place.

Explore The Purple Standard

New The Purple Box — your monthly research box

Pick any 4 or 6. Save up to 30% every month.

Build a box from any eligible research compounds in the catalog and we pack and ship it monthly, at up to 30% off retail for as long as you subscribe.

  • Free BAC Water in every single box
  • Free delivery, every month
  • Swap items anytime for your next box
  • COA-documented batches, independently tested
Build your box

3 monthly deliveries to start, then cancel anytime.

25%OFF

Your box 4 items + 1 free

Tirzepatide research vialTirzepatide
CJC-1295 + Ipamorelin research vialCJC-1295 + Ipamorelin
MOTS-c research vialMOTS-c
GHK-Cu research vialGHK-Cu
BAC Water includedFREE
$318.96 retail

$239.22/mo

New Bulk orders

Stocking up? Research at volume.

Mix any compounds however you want — 10 or more total vials is a bulk order. Same batch-documented vials, one direct order — volume terms confirmed when you order.

10+ total vials, mixed freelyVolume pricing on every selectionFree shipping over $299
×10

GLP-3R

10 units · 5 mg

Volume terms at order

10 × $76.99

$769.90

Order in bulk

No subscription. One-time research order.

Explore our products.

Documented research compounds and blends.

All products
−30%GLP-3R research vial
COA for this size pending

GLP-3R

Triple agonist research peptide

$76.99$53.89

−30%BPC-157 research vial

BPC-157

Tissue repair research peptide

$43.99$30.79

−30%GHK-Cu research vial

GHK-Cu

Dermal research compound

$54.99$38.49

−30%MOTS-c research vial

MOTS-c

Cellular research peptide

$54.99$38.49

−30%CJC-1295 + Ipamorelin research vial

CJC-1295 + Ipamorelin

Secretagogue research blend

$98.99$69.29

−30%NAD+ research vial

NAD+

Research compound

$76.99$53.89

−30%Semax research vial

Semax

Cognitive research peptide

$54.99$38.49

−30%Tesamorelin research vial

Tesamorelin

Secretagogue research peptide

$87.99$61.59

−30%GLOW research vial
COA for this size pending

GLOW

Multi-compound research blend

$186.99$130.89

Purple Drops

7 compounds. 50% off. A new list every 72 hours.

--Hours
--Minutes
--Seconds

Meet Violet.

Your intelligent research assistant.

  • Get fast answers to your questions
  • Explore products with clarity
  • Understand research information more easily
Ask Violet
Violet, Purple Peptides research assistant

Based in the USA.

Premium research standards.

  • Every batch independently tested
  • 99%+ purity standard
  • Structured research system options
Purple Peptides GHK-Cu research vial

Quality you can verify, not just trust

Every documented batch comes with its certificate. We don't ask you to take our word for it: we give you the proof.

99%+Purity
Verified
HPLCPurity
Analysis
COABatch
Documented

Verified Purity

HPLC Analysis

Each documented batch is analysed by HPLC to report its purity on the certificate.

Why it matters: You can check the reported result for the exact lot you are researching.
Shop Now COA available for documented batches

Frequently Asked Questions

Everything you need to know about research and ordering.

All the research compounds you need, with the peace of mind and research community at your fingertips.

Shop Now

Research updates from Purple Peptides

Subscribe for catalog updates, new research compounds, and quality documentation news.

For researchers and labs. No spam, unsubscribe anytime.