Free shipping on orders over $150≥99% HPLC purity guaranteedCold-chain temperature-controlled shippingUS lab tested · third-party verified
Free shipping on orders over $150≥99% HPLC purity guaranteedCold-chain temperature-controlled shippingUS lab tested · third-party verified
Pepthera logoPEPTHERA

Pharmaceutical Grade

Research peptides.
Purity you can verify.

Every vial ships with a Certificate of Analysis. ≥99% purity confirmed by HPLC. Cold-chain logistics from lab to door.

≥99%PurityHPLC verified
COADocumentationEvery batch
Cold ChainShippingTemp-controlled
US LabTestingThird-party verified
Pepthera NAD+ research peptide vial
Pepthera GHK-Cu research peptide vial
Pepthera GLP-3 research peptide vial

≥99% Purity

HPLC verified on every batch

COA Every Batch

Certificate of analysis included

Cold Chain Shipping

Temp-controlled door-to-door

US Lab Tested

Third-party independent testing

Process

How it works

01

Select your peptide

Browse our catalog. Each listing shows dosage, purity grade, and batch information before you buy.

02

Lab-verified & packaged

Your order is pulled from current batch inventory and prepared under strict quality-control standards.

03

Cold-chain delivery

Shipped in temperature-controlled packaging within 1 business day. Tracking provided at dispatch.

I finally feel like myselfLost 28 lbs in 3 monthsSleeping through the night againHot flashes — goneBrain fog lifted in weeksAnxiety down, energy upBest sourced peptide I've usedMy skin is so much betterI gained 13lb of muscle
I finally feel like myselfLost 28 lbs in 3 monthsSleeping through the night againHot flashes — goneBrain fog lifted in weeksAnxiety down, energy upBest sourced peptide I've usedMy skin is so much betterI gained 13lb of muscle

COA Library

Every batch, tested and signed.

HPLC purity reports issued by an independent US lab. Updated as each batch clears testing.

Certificate of Analysis

Live Feed

Selank

PT-SEL-2605

98.5%

HPLC

Semax

PT-SEM-2605

99.4%

HPLC

Glutathione

PT-GLU-2605

99.5%

HPLC

MOTS-c

PT-MOT-2605

99.0%

HPLC

Epithalon

PT-EPI-2605

99.5%

HPLC

PT-141

PT-PT1-2605

98.6%

HPLC

Growth Stack (CJC-1295 + Ipamorelin)

PT-GRO-2605

98.8%

HPLC

Sermorelin

PT-SER-2605

99.7%

HPLC

Ipamorelin

PT-IPA-2605

98.9%

HPLC

CJC-1295 (no DAC)

PT-CJC-2605

99.1%

HPLC

BPC-157 + TB-500 Stack

PT-BPC-2605

99.8%

HPLC

TB-500

PT-TB5-2605

99.5%

HPLC

BPC-157

PT-BPC-2605

99.8%

HPLC

Cagrilintide

PT-CAG-2605

98.8%

HPLC

Semaglutide

PT-SEM-2605

98.8%

HPLC

Tirzepatide

PT-TIR-2605

98.9%

HPLC

Tesamorelin

PT-TES-2605

98.6%

HPLC

SS-31

PT-SS3-2605

99.8%

HPLC

GHK-Cu

PT-GHK-2605

99.3%

HPLC

GLP-3

PT-GLP-2605

98.8%

HPLC

NAD+

PT-NAD-2605

99.2%

HPLC

Selank

PT-SEL-2604

98.5%

HPLC

Selank

PT-SEL-2605

98.5%

HPLC

Semax

PT-SEM-2605

99.4%

HPLC

Glutathione

PT-GLU-2605

99.5%

HPLC

MOTS-c

PT-MOT-2605

99.0%

HPLC

Epithalon

PT-EPI-2605

99.5%

HPLC

PT-141

PT-PT1-2605

98.6%

HPLC

Growth Stack (CJC-1295 + Ipamorelin)

PT-GRO-2605

98.8%

HPLC

Sermorelin

PT-SER-2605

99.7%

HPLC

Ipamorelin

PT-IPA-2605

98.9%

HPLC

CJC-1295 (no DAC)

PT-CJC-2605

99.1%

HPLC

BPC-157 + TB-500 Stack

PT-BPC-2605

99.8%

HPLC

TB-500

PT-TB5-2605

99.5%

HPLC

BPC-157

PT-BPC-2605

99.8%

HPLC

Cagrilintide

PT-CAG-2605

98.8%

HPLC

Semaglutide

PT-SEM-2605

98.8%

HPLC

Tirzepatide

PT-TIR-2605

98.9%

HPLC

Tesamorelin

PT-TES-2605

98.6%

HPLC

SS-31

PT-SS3-2605

99.8%

HPLC

GHK-Cu

PT-GHK-2605

99.3%

HPLC

GLP-3

PT-GLP-2605

98.8%

HPLC

NAD+

PT-NAD-2605

99.2%

HPLC

Selank

PT-SEL-2604

98.5%

HPLC

Verified 22 / 22Updated weekly
Pepthera

PEPTHERA

RESEARCH LAB

Every batch documented

≥99% HPLC

US third-party tested

Reviews

Real experiences.
Real results.

Verified purchase

Quality matches a clinical supplier

The level of QC presentation matches what I expect from a regulated clinical vendor. For a research-grade outlet, this is well above industry norm.

Dr. E. VogelYesterday
Verified purchase

COA documentation matched independent retest

Sent the vial through our own analytical workflow before opening. Purity reading came back within 0.2% of what Pepthera's COA stated. Cold-pack was still frozen on arrival. This is the standard I expect from a clinical supplier.

David L.2 days ago
Verified purchase

Batch traceability is a real feature

Being able to tie a vial back to a specific batch and a specific COA is more important than most suppliers realize. Pepthera built this in by default.

Dr. F. Kowalski3 days ago
Verified purchase

Professional packaging, careful handling

Cold-pack still cold on arrival. Tamper-evident seal intact. The kind of attention to fulfillment detail that signals the rest of the operation runs the same way.

C. Becker4 days ago
Verified purchase

Reconstitution behavior was exemplary

Clean lyophilization, complete dissolution in seconds, no haze or microparticulates. The downstream assays read clean too. This is what consistent QC looks like.

Dr. T. Greene5 days ago
Verified purchase

Reorder ready

Second order. Same purity, same packaging quality, same fulfillment speed. Predictability matters when planning a research timeline — Pepthera delivers it.

T. Kowalski1 week ago

Research Circle

First access to every release.

Members receive first allocation on every release. Reserved member pricing. Private restock notifications.

Invitation-only Research Circle·Unsubscribe anytime

HPLC ≥99%

72-Hr Access

Restock Alerts

Member Pricing