RESEARCH-GRADE PEPTIDE SUPPLY · LONG ISLAND, NY Signals
Research-grade peptides for laboratory use, supplied from Long Island, NY — verified by independent third-party testing and documented with Certificates of Analysis. Shop Research Peptides Explore the Stack Library For laboratory research use only. Not for human or veterinary use. 72Products Available 100%COA-Verified Stack LibraryVerified Compound Reference 
Premium Products Uncompromising Standards Browse thoughtfully organized collections designed to help you quickly find the right research peptides — your trusted source, shipped nationwide. Backed by Verification Every Stack Science product is third-party tested and supported by Certificates of Analysis (COAs) to verify identity, purity, and quality. Research Support Our team answers questions about compounds, documentation and orders, backed by the Stack Library reference. Transparent Pricing What you see is what you get — flat-rate shipping, running discounts, and special offers when you need them. The Catalog Research-Grade Compounds, Independently Verified SS-TESA Tesamorelin$90.00 – $195.00Select Options → SS-KLOW Klow$175.00Select Options → SS-FLGR242 FLGR-242$200.00 – $375.00Select Options → SS-TRIPLETHREAT Triple Threat$165.00Select Options → SS-EPITALON Epitalon 25mg$70.00Select Options → SS-ADAMAXGSD ADAMAX G.S.D. Intra-Nasal$145.00 – $195.00Select Options → Deals & free giftsLimited-time codes, plus free gift options on orders of $300+.See all deals → Testing & Verification Tested independently. Documented openly. Each batch passes 5+ separate quality checks at accredited U.S. laboratories, and the results are posted where anyone can read them — so your research starts from documented data, not promises. 99%+Purity standard 5+Independent checks 100%U.S. lab tested Measured Content HPLC & Mass SpecIndependent labs quantify the peptide content of each batch and compare it against the labeled amount.For your research: reconstitution math starts from a measured number rather than an assumption. HPLC Purity HPLC AnalysisPurity is measured by HPLC against a 99%+ standard, and the result is printed on each Certificate of Analysis.For your research: fewer impurities mean cleaner, more reliable data from every experiment. Integrity in Transit Lyophilized & SealedCompounds are lyophilized, sealed and packed to preserve their integrity from our lab to yours.For your research: material that arrives intact performs exactly as documented on its CoA. Contaminant Screening Endotoxin TestingLots are screened for endotoxins and other contaminants before they are released for sale.For your research: contaminant-free material protects the validity of your assays. Batch Reproducibility Every BatchEach new batch is tested on its own and documented with its own Certificate of Analysis.For your research: consistent quality batch after batch keeps long-running research comparable. Browse the catalog → A Certificate of Analysis ships with every order 99%+ HPLC purityIndependent lab result Open the CoA LibraryRead the lab reports for each product› Our Approach Driven by Science.
Defined by Quality. Stack Science brings together lyophilized peptides, bioregulators, research blends and reconstitution supplies, each documented with a Certificate of Analysis. Outstanding Communication Fast & Flat-Rate Shipping Third-Party Tested & Certified Learn More Stack Science · At a Glance 0Stack Library Compounds CoA
LibraryEvery Batch On File 0%Third-Party COA Tested Flat-RateNationwide Shipping Education Learn With Confidence Expand your knowledge through practical educational tools designed to help you better understand peptide products and related topics. Reference Stack Library Browse verified research profiles for every compound we carry. Reference CoA Library Look up third-party Certificates of Analysis for your batch. Get in Touch Questions before you shop? Questions about a compound, a Certificate of Analysis or an order? The Stack Science team is here to help. Based on Long Island, New York, we supply research peptides to labs and researchers across Nassau and Suffolk counties and ship throughout the U.S. and Canada. Emailinfo@stack-science.com Text(516) 246-5887
Signals
For Your Lab
Research-grade peptides for laboratory use, supplied from Long Island, NY — verified by independent third-party testing and documented with Certificates of Analysis. Shop Research Peptides Explore the Stack Library For laboratory research use only. Not for human or veterinary use. 72Products Available 100%COA-Verified Stack LibraryVerified Compound Reference 
Premium Products Uncompromising Standards Browse thoughtfully organized collections designed to help you quickly find the right research peptides — your trusted source, shipped nationwide. Backed by Verification Every Stack Science product is third-party tested and supported by Certificates of Analysis (COAs) to verify identity, purity, and quality. Research Support Our team answers questions about compounds, documentation and orders, backed by the Stack Library reference. Transparent Pricing What you see is what you get — flat-rate shipping, running discounts, and special offers when you need them. The Catalog Research-Grade Compounds, Independently Verified SS-TESA
Tesamorelin$90.00 – $195.00Select Options → SS-KLOW
Klow$175.00Select Options → SS-FLGR242
FLGR-242$200.00 – $375.00Select Options → SS-TRIPLETHREAT
Triple Threat$165.00Select Options → SS-EPITALON
Epitalon 25mg$70.00Select Options → SS-ADAMAXGSD
ADAMAX G.S.D. Intra-Nasal$145.00 – $195.00Select Options → Deals & free giftsLimited-time codes, plus free gift options on orders of $300+.See all deals → Testing & Verification Tested independently. Documented openly. Each batch passes 5+ separate quality checks at accredited U.S. laboratories, and the results are posted where anyone can read them — so your research starts from documented data, not promises. 99%+Purity standard 5+Independent checks 100%U.S. lab tested Measured Content HPLC & Mass SpecIndependent labs quantify the peptide content of each batch and compare it against the labeled amount.For your research: reconstitution math starts from a measured number rather than an assumption. HPLC Purity HPLC AnalysisPurity is measured by HPLC against a 99%+ standard, and the result is printed on each Certificate of Analysis.For your research: fewer impurities mean cleaner, more reliable data from every experiment. Integrity in Transit Lyophilized & SealedCompounds are lyophilized, sealed and packed to preserve their integrity from our lab to yours.For your research: material that arrives intact performs exactly as documented on its CoA. Contaminant Screening Endotoxin TestingLots are screened for endotoxins and other contaminants before they are released for sale.For your research: contaminant-free material protects the validity of your assays. Batch Reproducibility Every BatchEach new batch is tested on its own and documented with its own Certificate of Analysis.For your research: consistent quality batch after batch keeps long-running research comparable. Browse the catalog → A Certificate of Analysis ships with every order 
99%+ HPLC purityIndependent lab result Open the CoA LibraryRead the lab reports for each product› Our Approach Driven by Science.Defined by Quality. Stack Science brings together lyophilized peptides, bioregulators, research blends and reconstitution supplies, each documented with a Certificate of Analysis. Outstanding Communication Fast & Flat-Rate Shipping Third-Party Tested & Certified Learn More Stack Science · At a Glance 0Stack Library Compounds CoA
LibraryEvery Batch On File 0%Third-Party COA Tested Flat-RateNationwide Shipping Education Learn With Confidence Expand your knowledge through practical educational tools designed to help you better understand peptide products and related topics. Reference Stack Library Browse verified research profiles for every compound we carry. Reference CoA Library Look up third-party Certificates of Analysis for your batch. Get in Touch Questions before you shop? Questions about a compound, a Certificate of Analysis or an order? The Stack Science team is here to help. Based on Long Island, New York, we supply research peptides to labs and researchers across Nassau and Suffolk counties and ship throughout the U.S. and Canada. Emailinfo@stack-science.com Text(516) 246-5887
