Research use only – not for human or animal consumption – 18+

Poet Labs
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Research peptides · US

Lab-verified research peptides for the US.

Research peptide vial

Buy research-grade peptides built for the lab. Every peptide is third-party HPLC and mass-spec tested to ≥99% purity, with a Certificate of Analysis on every peptide — cold-chain delivered across the US.

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≥99%
Tested purity
100%
3rd-party verified
US
Express shipping

Bestselling
Research Peptides

GPL-3-R

GPL-3-R
Size
From $245.00
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Oxytocin

Oxytocin
Size
From $39.00
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Cartalax

Cartalax
Size
From $48.00
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Selank

Selank
Size
From $41.00
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GPL-3-R
≥99% Avg. Purity

Featured Research Peptide

GPL-3-R

GPL-3-R is commonly referenced in research focused on triple agonist signalling, metabolic regulation, glucose and lipid metabolism, and body composition pathways. Its defined molecular structure makes it suitable…

$245.00
Size
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For laboratory research use only. Not for human consumption.

Our Catalog

Eloralintide

Eloralintide
Size
From $84.60
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Glp-1-S

Glp-1-S
Size
From $45.00
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GPL-2-T

GPL-2-T
Size
From $90.00
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GPL-3-R

GPL-3-R
Size
From $245.00
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Hospira BAC Water

Hospira BAC Water
Size
From $17.99
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Tested. Verified. Documented.

Purity is not a marketing word at Poet Labs — it is a measured value. Every research peptide is screened by accredited third-party laboratories across the United States, and the full analysis is published.

≥99%
HPLC purity
100%
Peptides with COA

Independent labs

Analysed by accredited third-party laboratories — never self-reported.

≥99% purity

HPLC quantifies purity and mass-spectrometry confirms peptide identity.

Full traceability

Every peptide carries a unique identifier tied to its Certificate of Analysis.

Cold-chain delivery

Temperature-controlled, tracked dispatch across the United States.

Trusted by researchers across the USA

Independent, verified-buyer reviews from researchers buying peptides across the United States — the same lab-grade transparency we apply to every Certificate of Analysis.

5.0 Based on 1 reviews
5★ 1
4★ 0
3★ 0
2★ 0
1★ 0

Customers say about Poet Labs

AI summary of recent reviews

Across 1 verified reviews, researchers most often praise Poet Labs for product quality, fast delivery and responsive service — a 5.0★ average, with 100% leaving five stars.

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Review highlights

Batch Testing Results

Every batch is independently tested before release. Search any peptide or batch number, open its Certificate of Analysis, and verify it with the lab.

BPC-157

2004 17/09/2026

Purity

99.796%

Net content

10.56

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
DSIP

2049 05/08/2026

Purity

99.14%

Net content

9.89

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
Epitalon

2062 05/08/2026

Purity

99.14%

Net content

9.28

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
IGF-1LR3

2191 05/08/2026

Purity

99.85%

Net content

0.98

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
Sermorelin

2659 05/08/2026

Purity

99.33%

Net content

14.02

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
SS-31

1983 04/08/2026

Purity

99.493%

Net content

47.28

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
SLU-PP332

1442 03/08/2026

Purity

99.92%

Net content

2.15

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
TB-500

2676 03/08/2026

Purity

99.12%

Net content

9.34

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
Tesamorelin

2304 03/08/2026

Purity

99.64%

Net content

12.15

Heavy metals

Pass

Endotoxins

Pass

Sterility

Pass
View COA
View All 24 Tests