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Gold Standard Peptides — Premium Research Compounds
NH₂ CH₂ CO NH COOH HN
ISO-Certified Manufacturing • 3rd-Party Lab Verified

Research-Grade Peptides
of Uncompromising Purity

Setting the gold standard in research compounds. Every peptide synthesized under strict pharmaceutical protocols, verified by independent third-party labs, and delivered with complete CoA documentation.

Browse Catalog View Lab Reports
99%+ Purity Rate
200+ Compounds
5,000+ Researchers
HPLC Verified
BPC-157 — 99.4% Purity
TB-500 — 99.1% Purity
Semaglutide — 98.9% Purity
CJC-1295 — 99.2% Purity
Ipamorelin — 99.6% Purity
Hexarelin — 99.0% Purity
GHRP-6 — 99.3% Purity
Selank — 99.1% Purity
Semax — 98.8% Purity
PT-141 — 99.5% Purity
BPC-157 — 99.4% Purity
TB-500 — 99.1% Purity
Semaglutide — 98.9% Purity
CJC-1295 — 99.2% Purity
Ipamorelin — 99.6% Purity
Hexarelin — 99.0% Purity
GHRP-6 — 99.3% Purity
Selank — 99.1% Purity
Semax — 98.8% Purity
PT-141 — 99.5% Purity
Featured Compounds

Best-Selling
Research Peptides

Every compound synthesized under pharmaceutical-grade protocols, independently verified by ISO 17025 accredited laboratories, and shipped with complete batch documentation.

99%+ Purity
200+ Compounds
5K+ Researchers
View All 200+ Compounds
Best Seller
BPC-157 + TB-500
Price range: $75.00 through $115.00
Select options This product has multiple variants. The options may be chosen on the product page
Best Seller
Pinealon
Price range: $45.00 through $75.00
Select options This product has multiple variants. The options may be chosen on the product page
Best Seller
Kisspeptin -10
Price range: $45.00 through $70.00
Select options This product has multiple variants. The options may be chosen on the product page
Best Seller
CJC-1295 + Ipamorelin
Price range: $85.00 through $130.00
Select options This product has multiple variants. The options may be chosen on the product page
Browse Full Catalog View Lab Reports

HPLC Verified
Every batch tested
in-house before release

Full CoA Included
Downloadable certificate
with every order

ISO 17025 Accredited
3rd-party mass spec
confirmation on all batches

Cold-Chain Shipping
Temperature-controlled
packaging guaranteed
Research Categories

Explore Our
Compound Library

134 verified compounds across 6 research disciplines — every one independently tested, fully documented, and available for immediate dispatch.

134
Total
Compounds
Browse Full Catalog
Category
Description
Stock
—
01

Growth Hormone
Peptides
GHRP, GHRH analogues and secretagogues for in-vitro receptor binding and growth hormone axis research.
28 Compounds
02

Metabolic &
Weight Research
GLP-1 receptor agonists, incretins and metabolic signaling peptides for cellular pathway studies.
19 Compounds
03

Tissue &
Healing Peptides
Structural proteins and cytoprotective compounds — BPC, TB-500, and Epithalon series for regeneration research.
34 Compounds
04

Nootropic &
Neuro Peptides
Selank, Semax, DSIP and neuroprotective agents for CNS, cognitive pathway, and neurological research.
22 Compounds
05

Tanning &
Cosmetic Research
Melanotan I & II, PT-141 and melanocortin receptor agonists for pigmentation and dermatology studies.
14 Compounds
06

Immune &
Epithalon Research
Thymic peptides, Epithalon, Thymosin-alpha and immunomodulatory agents for longevity and immune pathway studies.
17 Compounds
All compounds for research use only · Not for human or veterinary use · Ships with full CoA
Download Compound Index PDF
ISO-certified synthesis laboratory
Why Gold Standard

Every Milligram
Held to a
Higher Standard

99%+ Purity Guarantee
ISO 17025 Certified
24h Dispatch SLA
5K+ Researchers Trust Us
01

Third-Party Lab Verification
Every batch independently tested by ISO 17025 accredited external labs. HPLC and mass spectrometry reports available for every compound — no exceptions.
02

Pharmaceutical-Grade Synthesis
Solid-phase peptide synthesis (SPPS) in ISO-certified facilities. Lyophilized under controlled conditions for maximum stability and shelf life.
03

Full Certificate of Analysis
Every order ships with a complete CoA: identity confirmation, purity %, moisture content, and full batch traceability. Downloadable from your order portal.
04

Cold-Chain Shipping
Temperature-controlled packaging with dry ice for sensitive compounds. Orders dispatched within 24 hours with full tracking and a delivery guarantee.
05

Dedicated Research Support
PhD-level scientists available for technical consultation. Compound datasheets, solubility guides, and handling protocols provided with every order.

HPLC Verified
Every Batch

Mass Spec Confirmed
Identity & Purity

CoA With Every Order
Downloadable PDF

ISO 17025 Accredited
3rd-Party Labs Only
HPLC mass spectrometry quality verification lab

HPLC
Verified

Mass Spec
Confirmed

Full CoA
Included

ISO 17025
Accredited
Quality Assurance

Our 4-Stage
Verification
Protocol

Before any compound ships, it passes through four independent checkpoints designed to eliminate every possible source of contamination or mislabeling.

01
Raw Material Sourcing & Identity Check
Precursor verification via IR spectroscopy before synthesis begins. Only pharmaceutical-grade inputs accepted.
02
In-House HPLC Purity Analysis
High-performance liquid chromatography run on every batch. Minimum 98% purity threshold — batches below 99% are discarded.
03
Third-Party Mass Spectrometry
External ISO 17025 laboratory performs MS confirmation of molecular weight and identity. Results appended to final CoA.
04
Lyophilization & Final Release
Freeze-dried under GMP conditions to <5% residual moisture. Final QC sign-off before CoA generation and shipment.
Researcher Reviews

Trusted by the
Scientific Community

4.9★ Avg Rating
847 Reviews
98% Recommend
38 Countries
Featured Review

"The BPC-157 consistently delivers 99%+ purity. I've benchmarked four suppliers — Gold Standard's CoA matches the independent results I run in-house. That level of transparency is genuinely rare in this space, and it has made this our lab's default source for every peptide we use."

Dr. D. Mitchell, PhD
Biochemistry Researcher
University of Texas · Houston, TX
BPC-157 99.4% Pure · 5mg
SR
S. Rodriguez, PhD
Endocrinology Lead
BioMed Institute · Miami, FL
Verified
★★★★★

Cold-chain arrived intact. Mass spec data matched our in-house verification to within 0.2%. We've since switched our entire research group's peptide procurement to Gold Standard.

Semaglutide 98.9% Pure 2mg Vial
JP
James P., MSc
Research Scientist
Peptide Research Group · San Diego, CA
Verified
★★★★★

GSP is the only supplier I've found that treats documentation with the same rigour applied to the synthesis itself. The batch traceability system is exactly what reproducible research demands.

CJC-1295 99.2% Pure 5mg Vial
AK
Dr. A. Kaur, MD
Clinical Research Director
Precision CRO · New York, NY
Verified
★★★★★

Purity measurably higher batch-to-batch, documentation flawless, and the scientific support team understands the compounds mechanistically. Switched six months ago — we will not be going back.

TB-500 99.1% Pure 5mg Vial
All reviews from verified purchasers only  ·  Not curated or edited  ·  Updated monthly
View All 847 Reviews
Common Questions

Research
FAQ

Can't find your answer? Our team of scientists is available to assist with technical questions.

Contact Our Team
No. All compounds sold by Gold Standard Peptides are strictly for laboratory and in-vitro research use only. They are not approved for human or veterinary use, and are not intended for any clinical or therapeutic application. Our products comply with applicable regulations regarding research chemicals.
Every product page includes a downloadable CoA for the current batch. Upon order, the batch-specific CoA is also accessible directly from your account order history. The CoA includes HPLC purity percentage, mass spectrometry data, molecular weight confirmation, and moisture content.
We offer standard and expedited shipping with full tracking. Peptides ship lyophilized (freeze-dried) in sealed vials inside discreet, temperature-controlled packaging. Temperature-sensitive compounds are shipped with dry ice or cold packs. Most orders dispatch within 24 hours of payment confirmation.
Our minimum purity threshold for any compound to be released for sale is 98% as measured by HPLC. The vast majority of our catalog exceeds 99% purity. Batches falling below 99% are re-synthesized or discarded. Independent mass spectrometry confirms compound identity on every batch.
Yes. We offer institutional and volume pricing for academic labs, research organizations, and CROs with verifiable research credentials. Contact our team at abservicesx@gmail.com with your institution details and compound requirements for a custom quote.
Lyophilized peptides should be stored at -20°C for long-term stability (up to 24 months). Once reconstituted, store at 4°C and use within 4 weeks. Avoid repeated freeze-thaw cycles. Keep away from light. Specific storage recommendations are included on each product's datasheet.
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99%+
Purity Verified
5K+
Researchers
200+
Compounds
48h
Fulfillment

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