Research
Peptides.
US-made, third-party verified peptides for laboratories and research companies worldwide. Precision-lyophilized. Batch tested.
Lyophilized
in the USA.
Made in-house in a controlled US facility under strict compounding standards. No third-party manufacturing — full control over every run.
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No more
guessing games.
US-made, third-party batch tested. Every compound independently verified before it leaves our facility. Full confidence, every order.
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Batch Produced,
Batch Tested
COAs are available for every batch we produce. Download yours before you order and verify purity independently.
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Research Use Only
All products are intended solely for laboratory research and are not for human or animal consumption. By purchasing, the buyer agrees to use these products in compliance with all applicable laws. All products currently listed on this site are for research purposes ONLY.
The standard for verified research compounds
We don’t cut corners. Every peptide we produce is manufactured in-house, batch-tested, and shipped with a full certificate of analysis — because your research depends on it.
In-house lyophilization — full control over every production run from start to finish.
Third-party testing via HPLC and mass spectrometry on every single batch.
Same-day fulfillment — orders dispatched same day from our US facility.
B2B distribution — bulk orders and wholesale accounts for research companies.
Global reach — supplying verified peptides to research companies worldwide.
on every batch
per batch
across the USA
every batch
team response
Our process
Precision Lyophilization
Manufactured in a controlled U.S. facility under strict compounding standards. Every vial produced in-house.
Verified Purity
Every batch independently tested via HPLC and mass spectrometry. COA issued per batch, available for download.
Same-Day Fulfillment
Orders dispatched same-day from our U.S. facility. Fast, discreet shipping with tracking on every order.
Built for research companies worldwide
We don’t just sell peptides — we partner with laboratories, distributors, and research institutions globally. Whether you need recurring wholesale supply or a one-time bulk order, we have the infrastructure to deliver.
Research Laboratories
Consistent, reliable supply of verified peptides for in-vitro and research applications. Flexible order volumes.
Wholesale Distributors
Preferred pricing tiers, dedicated account managers, and priority fulfillment for established distribution partners.
International Partners
Supplying research companies across North America, Europe, and beyond. Custom logistics solutions available.
Wholesale & bulk ordering
Access competitive pricing, dedicated account management, and priority dispatch when you partner with us as a distributor or institutional buyer.
Standards & certifications
US Manufactured
Produced in a controlled domestic facility with full quality oversight.
HPLC Tested
High-performance liquid chromatography analysis on every batch.
COA Per Batch
Full certificate of analysis available for download on every production batch.
Same-Day Dispatch
Orders placed before cutoff shipped same day, tracked and insured.
Trusted by laboratories worldwide
“The purity and consistency of every batch has been outstanding. Our lab has relied on Grey Peptides for over a year — the COA documentation alone is worth it.”
“Same-day dispatch and same-day response from their support team. We’ve been ordering wholesale for six months and the supply chain has never let us down.”
“Switching to Grey Peptides was the best decision for our facility. The transparency of their batch testing gives us confidence every time we place an order.”
Verified compounds.
Ready to ship.
Need help? Our dedicated team responds within minutes. Browse our full catalog or reach out directly for bulk and wholesale inquiries.
Frequently asked questions
Everything you need to know about our products, processes, and policies. Can’t find an answer? Text us and we’ll reply in minutes.
View All ProductsAre your products tested?
Yes. Every batch is independently tested using HPLC and mass spectrometry. A Certificate of Analysis is available for every batch on our COA page.
Where do you ship from?
All orders ship from our US facility. We offer same-day fulfillment on orders placed before our daily cutoff, with full tracking on every shipment.
Are these for human consumption?
No. All products are intended solely for laboratory research and are not for human or animal consumption. By purchasing you agree to comply with all applicable laws.
Do you offer wholesale or B2B accounts?
Yes. We supply research companies, laboratories, and distributors worldwide. Contact us to discuss bulk pricing, wholesale accounts, and international distribution.
Do you ship internationally?
We currently ship domestically within the USA. For international distribution inquiries please contact our support team directly.
What payment methods do you accept?
We accept all major credit cards, ACH bank transfers, and other secure payment methods. Contact us for B2B invoicing options.
How should I store these products?
Lyophilized peptides should be stored in a cool, dry environment away from direct light. Refer to each product’s COA documentation for specific storage conditions.