“Scyrx sets the standard for research-grade peptides. Every batch we've ordered has come back with HPLC purity above 99.4%. Exceptional consistency that no other supplier has matched.”
SM
Dr. Sarah M.
Immunology Researcher
SCYRXCOA-Verified Research Peptides
Research Science - Delivered
Lab-Direct Pricing • Same-Day Shipping • Money Back Guarantee
USA sourced and distributed research grade peptides
99%+ Purity
HPLC & mass-spec verified every batch, or 100% back.
Third-Party COAs
Batch-matched Certificates of Analysis on request.
2-Day Shipping
Guaranteed delivery — or your shipping is on us.
US-Based
Shipped from our US facility with worldwide support.
Eight categories — One standard
Metabolic
Recovery
Longevity
Cognition
Hormonal
Immune
Cardio
Stacks
Every SCYRX peptide is color-coded by category — the class of compound is recognizable at a glance
The most in-demand class in peptide science today.
Tissue repair, joint, gut, and systemic regeneration.
Telomere, mitochondrial, and cellular longevity research.
Nootropic, anxiolytic, and neurogenic compounds.
GH, IGF-1, libido, and pigmentation pathways.
Modulation of innate and adaptive immune response.
Mitochondrial support for cardiac and vascular research.
Pre-formulated research stacks of complementary peptides.
The SCYRX Purity Promise
If any peptide tests under 99% — we refund 100%.
Independent third-party HPLC and mass-spec verification on every batch. If your lab or any accredited facility returns a result below 99% purity, we refund the entire order. No restocking fees, no fine print, no negotiation.
99.4%+
Avg. HPLC purity
100%
Money-back guarantee
Every
Batch tested
0
Questions asked
Trusted by researchers
Scyrx - A Reputation Built on Trust
“I've tested 6 peptide suppliers in the past two years. Scyrx is in a different league — quality, COA transparency, and turnaround time are all best-in-class.”
MT
Marcus T.
Biochemistry Research Lab
“Our Semax and Selank samples from Scyrx showed perfect HPLC traces at 99.7% purity. Research outcomes improved significantly after switching from our previous supplier.”
EK
Dr. Emily K.
Neuroscience Institute
“TB-500 from Scyrx is the cleanest I've tested in 8 years of research. Zero foreign peaks on our mass spec. Their COAs match exactly what we see in-house. That's rare.”
JR
James R.
Exercise Science Lab, UCLA
“The GHK-Cu purity consistently exceeds 99.6% across six independent orders. Scyrx's quality control is the best I've encountered in over a decade of peptide procurement.”
PL
Dr. Patricia L.
Anti-Aging Research Institute
“Scyrx sets the standard for research-grade peptides. Every batch we've ordered has come back with HPLC purity above 99.4%. Exceptional consistency that no other supplier has matched.”
SM
Dr. Sarah M.
Immunology Researcher
“I've tested 6 peptide suppliers in the past two years. Scyrx is in a different league — quality, COA transparency, and turnaround time are all best-in-class.”
MT
Marcus T.
Biochemistry Research Lab
“Our Semax and Selank samples from Scyrx showed perfect HPLC traces at 99.7% purity. Research outcomes improved significantly after switching from our previous supplier.”
EK
Dr. Emily K.
Neuroscience Institute
“TB-500 from Scyrx is the cleanest I've tested in 8 years of research. Zero foreign peaks on our mass spec. Their COAs match exactly what we see in-house. That's rare.”
JR
James R.
Exercise Science Lab, UCLA
“The GHK-Cu purity consistently exceeds 99.6% across six independent orders. Scyrx's quality control is the best I've encountered in over a decade of peptide procurement.”
PL
Dr. Patricia L.
Anti-Aging Research Institute
Our Research Standards
HPLC-Verified, ≥99% Purity, Third-Party COAs on Every Batch
SCYRX supplies high-quality research peptides engineered for the most demanding laboratory environments. Every lot of every compound is HPLC verified and mass-spec characterized at ≥99% purity, with batch-matched third-party COAs available on request — the documentation standard that serious investigators require. Our catalog spans metabolic, recovery, longevity, cognition, hormonal, immune, and cardiovascular research peptides, alongside proprietary multi-peptide stacks. From single-compound studies to multi-pathway protocols, each vial is lyophilized, standardized, and shipped same-day from our US facility. Researchers worldwide choose SCYRX for one reason: uncompromising analytical transparency on every order, backed by our 100% money-back Purity Promise. For Research Purposes Only. Not for human consumption, diagnosis, or treatment of disease.
USA Sourced and Distributed
Every order fulfilled domestically, purity guaranteed.
Independently Lab Tested
Every product backed by third-party COAs.
Expert Support
Direct answers in minutes, not days.
The SCYRX Purity Promise
99%+ pure or 100% back.
Convenient payment options
Credit Card · Zelle · eCheck · CashApp · ACH Transfer · Bitcoin / Crypto
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Mastercard
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Zelle
CashApp
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Our Mission
Built for the research that defines what's next
Peptides occupy one of the most consequential frontiers in modern medicine — high potency, low toxicity, and remarkable specificity make them uniquely positioned to reshape how we treat disease, aging, and human performance.
SCYRX exists because the work being done with these molecules is too important for inconsistent inputs. Every researcher, every protocol, every dataset deserves materials that are demonstrably pure, rigorously characterized, and reliably reproducible.
Our mandate is straightforward: deliver peptides worthy of the science they serve — and stand behind every vial with a guarantee no one else in the industry will make.
The future of peptide medicine is being written in laboratories today. We are honored to supply the ink.
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