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★★★★★

Research peptides · elevated standards

99%+ Pure Research Peptides

Research-grade peptides. Clearly documented. Independently verified purity, batch-level COAs, and science-first supply.

≥99%

Purity target

4

Available now

COA

On file, every lot

Eosyn Labs research peptide vials

Clear glass · soft pastel labels · research use only

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What area is your research in?

Research-area groupings describe laboratory research categories only. All products are research use only.

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Customer favorites

Best Sellers

Our most requested research products, selected for quality and consistency.

R-20 20 MGNew
R-20 20 MG

99.6% HPLC · Lyophilized powder

From $129

Research-grade R-20 lyophilized peptide, third-party tested for purity, identity, and content accuracy. For laboratory research use only.

Lot-numbered · COA available
S-10 10 MGNew
S-10 10 MG

99.4% HPLC · Lyophilized powder

From $54

Research-grade S-10 lyophilized peptide, third-party tested for purity, identity, and content accuracy. For laboratory research use only.

Lot-numbered · COA available
T-30 30 MGNew
T-30 30 MG

99.3% HPLC · Lyophilized powder

From $124

Research-grade T-30 lyophilized peptide, third-party tested for purity, identity, and content accuracy. For laboratory research use only.

Lot-numbered · COA available
BAC Water 3 ML
BAC Water 3 ML

Sterile-filtered · Liquid

From $9.99

Bacteriostatic water (0.9% benzyl alcohol) supplied for laboratory research preparation. Lot-numbered. For laboratory research use only.

Lot-numbered · COA available

Eosyn Labs

Where research begins.

Peptides for laboratory research — lot-numbered, batch-tested, documented.

View COAs

Built for research confidence

Eosyn Quality Assurance

Every batch is third-party tested for purity, endotoxins, heavy metals, and bacteria, with documentation available for review.

≥99% purity targetLot COAsRUO only
View Lab Results

Lot numbers

Every vial maps to a batch record

Batch COAs

Every batch verified for purity, weight, endotoxins & sterility

99%+ purity

Purity standards of 99% or higher with U.S. labs

Bundles

Three vials. One documented set.

Each bundle is priced under the individual total, with a lot COA for every vial.

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Priority handling

Priority Shipping

Carefully packaged and dispatched with tracking. Free standard shipping over $150.

Every package ships with its lot number — COA on file before it leaves.

MADE IN BATCHES

Filled, sealed, numbered.

Every vial starts as a numbered batch. Filled, capped, and logged before it's offered — and tested before it ships. The COA for each batch is on file and public.

View batch COAs
Wholesale Program

Eosyn Peptides Wholesale

Built for qualified research buyers who need dependable sourcing, batch transparency, responsive support, and clear documentation from one U.S.-focused supplier.

Research Supply Standards

Disclaimer: Research and laboratory use only. Not for human or animal consumption.

Quality comes first: GMP-compliant facilities, third-party testing, lot-specific COAs, and typical purity standards of 99% or higher.

Eosyn Support

Questions before you order?

Contact support for product, certificate, order, or shipping questions.

support@eosynlabs.com · Response within 1–2 business days

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Catalog updates

Stay ahead with high-quality research materials

New lots, COAs, and catalog updates. Research framing only.

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