⚠ All products are for laboratory research use only. Not for human or veterinary use.
Research-grade · HPLC-verified · COA on every batch

Depth. Speed.
Purity.

Bluefin Peptides supplies rigorously tested, US-stocked research peptides — ≥99% HPLC-verified purity, independent mass-spec confirmation, and batch-level documentation on every vial. Ordered by noon, in the water by two.

Shop CatalogView Lab Reports
≥99%HPLC-verified purity
3rd-PartyIndependent lab testing
Same-DayShips before 2pm ET
Cold-ChainTemperature-controlled
Batch COAScan & verify any vial

Catalog

CJC-1295 (No DAC) research product

CJC-1295 (No DAC)

99.1% PURITY · NO AVAILABLE LOT

GHRH analog, lyophilized powder. For laboratory research use only.

$80.00
GHK-Cu research product

GHK-Cu

99.4% PURITY · NO AVAILABLE LOT

Copper tripeptide complex, lyophilized powder. For laboratory research use only.

$50.00
GLOW Blend research product

GLOW Blend

99.1% PURITY · NO AVAILABLE LOT

GHK-Cu / BPC-157 / TB-500 research blend, lyophilized powder. For laboratory research use only.

$105.00
Ipamorelin research product

Ipamorelin

99.5% PURITY · NO AVAILABLE LOT

Pentapeptide growth hormone secretagogue, lyophilized powder. For laboratory research use only.

$65.00
Ipamorelin Blend 8mg / 2mg research product

Ipamorelin Blend 8mg / 2mg

99.2% PURITY · NO AVAILABLE LOT

Ipamorelin research blend, lyophilized powder. For laboratory research use only.

$68.00
KLOW Blend research product

KLOW Blend

99.0% PURITY · NO AVAILABLE LOT

KPV / GHK-Cu / BPC-157 / TB-500 research blend, lyophilized powder. For laboratory research use only.

$140.00
Melanotan II research product

Melanotan II

99.1% PURITY · NO AVAILABLE LOT

Melanocortin research peptide, lyophilized powder. For laboratory research use only.

$35.00
PT-141 research product

PT-141

99.2% PURITY · NO AVAILABLE LOT

Bremelanotide research peptide, lyophilized powder. For laboratory research use only.

$90.00
Retatrutide research product

Retatrutide

99.3% PURITY · NO AVAILABLE LOT

Triple-agonist research peptide, lyophilized powder. For laboratory research use only.

$140.00
Selank research product

Selank

99.2% PURITY · NO AVAILABLE LOT

Synthetic heptapeptide, lyophilized powder. For laboratory research use only.

$40.00
Semax research product

Semax

99.2% PURITY · NO AVAILABLE LOT

Heptapeptide, lyophilized powder. For laboratory research use only.

$55.00
Sermorelin research product

Sermorelin

99.3% PURITY · NO AVAILABLE LOT

Growth hormone-releasing hormone analog, lyophilized powder. For laboratory research use only.

$70.00
Tesamorelin research product

Tesamorelin

99.3% PURITY · NO AVAILABLE LOT

Growth hormone-releasing factor analog, lyophilized powder. For laboratory research use only.

$67.00
Tirzepatide research product

Tirzepatide

99.4% PURITY · NO AVAILABLE LOT

Dual GIP/GLP-1 research peptide, lyophilized powder. For laboratory research use only.

$120.00
Built on data, not promises.
99.7%
Average Purity
HPLC-MS, last 500 batches
3rd-Party
Independent Testing
COA on every batch
Same-Day
Shipping
Orders by 2PM EST
100% US
Synthesis & Stock
Domestic supply chain

Shop by Research Area

01

Growth Hormone Research

Compounds studied for endocrine and somatotropic pathways.

02

Metabolic Research

Peptides investigated in glucose regulation and metabolic function.

03

Tissue Repair Research

Sequences researched in cellular regeneration and recovery.

04

Longevity Research

Compounds explored for cellular aging and senescence.

05

Neurological Research

Peptides studied in cognitive and neural pathways.

06

Cosmetic / Topical Research

Topically studied compounds in dermal applications.

From the Research Desk

All articles →
Jun 15, 2026 · 6 min

Depth of Documentation: What a Complete COA Package Includes

The components of a complete Certificate of Analysis package for research materials, and why depth of documentation, not a single number, is what makes a COA trustworthy.

Read →
May 25, 2026 · 6 min

Heavy-Metal Screening by ICP-MS in Research Materials

How inductively coupled plasma mass spectrometry screens research materials for trace metals, what elemental analysis reveals that organic purity methods cannot, and why it matters.

Read →
May 11, 2026 · 6 min

Solubility and pH Considerations for Peptide Reconstitution

How amino acid sequence, net charge, and solution pH govern peptide solubility, and the analytical mindset a lab brings to reconstituting difficult research materials.

Read →

What Researchers Say About BLUEFIN

★★★★★
Purity matches the COA every time, and shipping is genuinely same-day. The only supplier I trust for my work.
Dr. M. ChenVerified Buyer · 11 orders
★★★★★
The COA-before-purchase policy is why I stay. No other domestic supplier documents like this.
J. RiveraVerified Buyer · 8 orders
★★★★★
Ordered at 1PM, arrived two days later. Discreet packaging, product exactly as described.
K. PattersonVerified Buyer · 3 orders

Research updates from BLUEFIN

New compound releases, batch COAs, and researcher-only notices. No spam — unsubscribe anytime.

Frequently Asked Questions

Are these products research grade?

Yes. Every peptide Bluefin Peptides ships is research grade, third-party tested for 99%+ purity, with a Certificate of Analysis available for each batch. For laboratory research use only.

Are the products intended for human use?

No. All products sold by Bluefin Peptides are for laboratory research use only and are not for human or veterinary use.

How fast do orders ship?

Orders placed before 2PM EST on business days typically ship the same day, excluding weekends and holidays.

Do you provide a Certificate of Analysis?

Yes. A COA with HPLC-MS purity and identity data is available for every batch.

Who can purchase?

Sales are restricted to qualified researchers 21 years or older. An age and research-use attestation is required at checkout.