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sthrn labs research vials — 99%+ purity, third-party tested

Proven. Pure. Precise.

Premium research peptides with a Certificate of Analysis available for every product. Lyophilized in the USA, verified by independent HPLC.

Browse catalogView lab reports
99%+ purityThird-party testedShips same day
Navigate by system

Shop by shade.

Every compound belongs to a family, and every family owns one shade. Six systems, one spectrum. Pick a shade to explore its compounds.

Appetite, glucose, and weight-pathway peptides for metabolic research.

GLP-3R · GLP-2T · AOD-9604
Explore Metabolics

Compounds that stimulate the body's own growth-hormone release.

Ipamorelin · Sermorelin · Tesamorelin
Explore GH Secretagogues

Repair, gut, and connective-tissue support for recovery studies.

BPC-157 · TB-500 · KPV · KLOW
Explore Recovery

Nootropic and neuroprotective peptides for cognition research.

Semax · Selank
Explore Cognitive

Dermal, pigment, and collagen-pathway compounds for aesthetic research.

GHK-Cu · Melanotan-II · GLOW Blend
Explore Aesthetics

Cellular-aging and telomere-focused peptides for longevity research.

Epitalon · NAD+ · SS-31
Explore Longevity

Featured compounds.

Research peptides, third-party identity tested.

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99%+ · COAGHK-Cu
AestheticsGHK-Cu
From$50.00
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99%+ · COABPC-157 / TB-500
RecoveryBPC-157 / TB-500
From$195.00
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99%+ · COAGLOW Blend
AestheticsGLOW Blend
From$150.00
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99%+ · COACJC-1295 / Ipamorelin
GH SecretagoguesCJC-1295 / Ipamorelin
From$150.00
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99%+ · COAEpitalon
LongevityEpitalon
From$60.00
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99%+ · COABPC-157
RecoveryBPC-157
From$80.00
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99%+ · COADSIP
CognitiveDSIP
From$55.00
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99%+ · COAAOD-9604
MetabolicsAOD-9604
From$60.00
View
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The sthrn standard

Why researchers choose sthrn.

Proof from an independent lab.

Every lot is tested by an independent lab. Purity, identity, and safety checked before it ships.

Out the door the same day.

Order by 2pm ET and it ships the same afternoon. Tracked, insured, in your hands in 2 to 3 days.

Real people answer.

Order questions, product questions, shipping questions. A researcher answers, and fast.

Support

Frequently asked questions.

Everything you need to know about peptide research.

Still have questions?
Contact us →

Every compound is synthesized to 99%+ identity purity and verified by independent third-party HPLC and mass-spectrometry analysis. A Certificate of Analysis is available for every product.

A COA is the lab report documenting a batch's identity, purity, and mass. It lists the analytical method (HPLC/MS), the measured purity percentage, and the testing facility. A COA is available for every product on our COA page.

Properly stored lyophilized peptides remain stable for 24+ months. Reconstituted solutions are typically stable for several weeks when refrigerated, depending on the compound.

No. All products are sold strictly for laboratory and research use only. They are not intended to diagnose, treat, cure, or prevent any disease, and are not for human or veterinary use.

Due to the nature of research compounds, we're unable to accept returns once an order has shipped. If your order arrives damaged, lost, or incorrect, contact us and we'll make it right. Every order is covered by free shipment protection.

The standard for research peptides.

Every compound documented. Every order protected.

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