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Third-party tested. Full documentation. Fast priority shipping from our USA based facility.
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All products are supported by third-party laboratory testing and documented Certificates of Analysis.
BPC-157 10mg
Batch: 01162026BP
99.943%
Date: 06 MAR 2026 Lab: Janoshik Analytical Key: 4CVJMQQWZBRS
BPC-157 10mg
Batch: 12042025BP
99.301%
Date: 23 JAN 2026 Lab: Janoshik Analytical Key: 255286L9H49G
GLP-3(R) 10mg
Pending
Coming soon
Available at official launch 8.10.2026
NAD+ 500mg
Batch: NAD2026A
99.890%
Date: 01 MAR 2026 Lab: Janoshik Analytical Key: NADXV9LMQR47
Experience a breakthrough in research with our advanced peptide formulations. Crafted for scientists who demand the extraordinary.
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Our Signature Collections
Most Popular
Tissue Repair & Regeneration
BPC-157 10mg
$45
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Metabolic & Intestinal Research
GLP-3(R) 10mg
$82.50
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Cellular Energy Pathways
NAD+ 500mg
$52.50
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Mitochondria & Neuroprotection
SS-31 50mg
$135
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FAQ
Still need help?
Can't find what you're looking for? We've got you covered.
What are peptides?+
Peptides are short chains of amino acids that act as building blocks of proteins.
How much bacteriostatic water should I use?+
Please use the BAC Water Calculator on our website to determine how much to add to your peptide.
How do I reconstitute my peptides?+
Check out our reconstitution guide and use the Peptide Calculator for accurate measurements.
How long do peptides last?+
Lyophilized peptides have a shelf life of 24 months. Once reconstituted, refrigerate and use within 4–6 weeks.
How should I store my peptides?+
Store in a cool, dry place away from direct sunlight. Once reconstituted, keep at 2–8°C.
How soon will my order ship?+
We ship daily Monday–Saturday. Orders before 1pm ship same-day via FedEx 2-day air.
How can I track my order?+
You will receive an automatic email with a FedEx tracking link when your order ships.
Do you ship internationally?+
We are only shipping within the US at the moment.
How is purity verified?+
All products undergo rigorous third-party mass spectrometry testing with Janoshik Analytical.
Where can I find the COA for my batch?+
View all COAs on our Testing page and at the bottom of each product page.
Why is there no liquid in my vial?+
Our peptides are lyophilized (freeze dried) for shelf stability. They require bacteriostatic water.
What is your return policy?+
We accept returns of unopened vials within 30 days. Go to My Account → Orders → Return Request.
Where are you located?+
Our offices are in Southern California.
What if my purchase arrives damaged?+
Submit the Exchange Request Form and we will send a replacement within 1–2 business days.
Blog
Peptide Resources
January 2, 2026
How Much Bacteriostatic Water to Add to Peptides?
As peptides continue to grow in popularity, one of the most common questions is: How much bacteriostatic water to add?
January 13, 2026
7 Steps to Reconstitute Peptides
A step-by-step guide on peptides, their benefits, and directions for reconstituting lyophilized peptides.
January 15, 2026
Peptide Calculator
Use our Peptide Reconstitution Calculator. Select your parameters to accurately calculate dosages.
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Discover Prime Peptides' premium research peptides, including GLP-1s, BPC-157, and Ipamorelin, all rigorously tested for purity and quality. These products are for research use only.
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Our Story
About Prime Peptides®
Built by researchers, for researchers. Transparency, purity, and science at every step.
Our Mission
Advancing Research Through Purity
Prime Peptides® was founded with a single purpose: to provide researchers with the highest-quality peptides available, backed by transparent third-party testing and documented Certificates of Analysis.
We believe that great science starts with reliable compounds. Every vial we ship is a commitment to that principle — rigorously tested, fully documented, and ready for your research.
Based in Southern California, our team works directly with Janoshik Analytical Laboratories to verify the identity and purity of every batch before it reaches your door.
99.5%
Average Purity
10,000+
Orders Shipped
3rd Party
Lab Verified
24hr
Processing Time
How It Started
From Frustration to Foundation
Our founders spent years in research environments frustrated by inconsistent compound quality, missing documentation, and suppliers who prioritized volume over verification.
In 2021, we launched Prime Peptides® with one rule: no product ships without a verified, publicly accessible Certificate of Analysis. Every batch is tested. Every result is published. No exceptions.
Today we serve thousands of researchers across the United States, shipping via FedEx 2-Day Air from our Southern California facility with same-day processing for orders before 1pm.
Our Values
What We Stand For
Scientific Integrity
Every product is verified by Janoshik Analytical Laboratories using mass spectrometry. We publish all results publicly — including batches that don't meet our standards (which we don't ship).
Full Transparency
Our Certificates of Analysis are publicly accessible and linked directly on every product page. Batch numbers, test dates, lab keys — everything is visible to every customer.
🚀
Speed & Reliability
We ship Monday through Saturday. Orders placed before 1pm ship same-day via FedEx 2-Day Air. We don't cut corners on logistics any more than we do on quality.
Researcher-First
We exist to serve the research community. Our support team is accessible via chat, phone, and email. We answer questions, solve problems, and stand behind every order we fulfill.
Responsible Sourcing
We work exclusively with manufacturers who meet our stringent purity and documentation requirements. Our sourcing process is ongoing — we re-evaluate suppliers with every batch.
Continuous Improvement
We actively seek feedback from researchers, update our product catalog based on emerging science, and continuously refine our testing protocols to stay at the forefront of peptide quality.
The Team
People Behind Prime Peptides®
Michael R.
Co-Founder & CEO
10+ years in life sciences research. Former biochemistry researcher at UC San Diego. Founded Prime Peptides after experiencing firsthand the inconsistency of available research compounds.
Sarah K.
Head of Quality Assurance
Analytical chemist with 8 years of pharmaceutical QA experience. Oversees all third-party testing relationships and COA verification protocols. Every batch passes through her review.
James T.
Head of Operations
Logistics and supply chain specialist. Manages our Southern California fulfillment center, FedEx partnerships, and the same-day shipping infrastructure that keeps our turnaround industry-leading.
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Third-Party Verified
Our Testing Standards
Every batch independently tested by Janoshik Analytical Laboratories using mass spectrometry and HPLC analysis.
Why It Matters
Verified Purity You Can See
In the research peptide industry, the gap between claimed purity and actual purity can be significant. Unverified compounds compromise research integrity and produce unreliable results.
At Prime Peptides®, we solve this with mandatory third-party mass spectrometry testing on every single batch — before it's ever offered for sale. The results are published publicly, permanently, with batch keys you can verify directly with the lab.
Our standard: no COA, no sale. It's that simple.
Our Process
From Synthesis to Shipment
01
Sourcing
We source compounds only from manufacturers who provide synthesis documentation and preliminary purity data. Every supplier is vetted before we place a single order.
02
Receipt & Intake
Each batch is logged, labeled, and isolated upon arrival at our California facility. No batch enters inventory until it has completed the full testing cycle.
03
🔬
Third-Party Testing
Samples are sent to Janoshik Analytical Laboratories for independent mass spectrometry analysis. We do not influence or review results before they're finalized — they go directly from the lab to publication.
04
COA Publication & Release
Once the COA is received and purity meets our minimum threshold, the batch is released to inventory. The COA is published immediately on our Testing page and linked on the product page.
🧪Janoshik Analytical Laboratories
Our Trusted Lab Partner
Janoshik Analytical is one of the most respected independent analytical chemistry laboratories in the research compound space. They specialize in mass spectrometry, HPLC, and peptide identity verification.
Every Certificate of Analysis issued by Janoshik includes a unique verification key. You can independently confirm the authenticity of your COA directly on the Janoshik website using the key printed on each report.
This means our testing is fully transparent and independently verifiable — not just a number we print on a label.
Mass Spectrometry (LC-MS)
HPLC Purity Analysis
Identity Verification
Certificates of Analysis
Current Active Batches
All active batches are listed below. Each entry includes batch number, test date, purity result, and a unique lab verification key.
Verified
Semaglutide 5mg
Batch: 11102025SM
99.174%
Date: 22 JAN 2026 Lab: Janoshik Analytical Key: J73AXCNRGLW5
Verify COA
Verified
Semaglutide 10mg
Batch: 1052026SM
99.524%
Date: 16 FEB 2026 Lab: Janoshik Analytical Key: N9MVUV24BVJA
Verify COA
Verified
Semaglutide 15mg
Batch: 11092025SM
99.791%
Date: 22 JAN 2026 Lab: Janoshik Analytical Key: M55FRN4QFTU8
Verify COA
Verified
BPC-157 10mg
Batch: 01162026BP
99.943%
Date: 06 MAR 2026 Lab: Janoshik Analytical Key: 4CVJMQQWZBRS
Verify COA
Verified
BPC-157 10mg
Batch: 12042025BP
99.301%
Date: 23 JAN 2026 Lab: Janoshik Analytical Key: 255286L9H49G
Verify COA
Verified
Ipamorelin 10mg
Batch: 10232025IPA
99.801%
Lab: Janoshik Analytical Key: B9PKTNWF897V
Verify COA
Verified
Retatrutide 5mg
Batch: RET2026A
99.612%
Date: 10 MAR 2026 Lab: Janoshik Analytical Key: RET5AXMN3VPQ
Verify COA
Verified
TB-500 10mg
Batch: TB52026A
99.450%
Date: 14 FEB 2026 Lab: Janoshik Analytical Key: TB5XQPWN8ZKL
Verify COA
Verified
NAD+ 500mg
Batch: NAD2026A
99.890%
Date: 01 MAR 2026 Lab: Janoshik Analytical Key: NADXV9LMQR47
Verify COA
Analytical Methods
How We Test
Each batch undergoes a multi-step analytical process to confirm both identity and purity.
LC-MS / Mass Spectrometry
Liquid chromatography coupled with mass spectrometry confirms the molecular identity of each compound by measuring exact mass-to-charge ratios. This verifies that what's in the vial matches what's on the label.
HPLC Purity Analysis
High-performance liquid chromatography separates compounds in a sample to measure the percentage of the target peptide vs. impurities. This produces the purity percentage shown on our COAs.
Independent Verification
Every COA includes a unique alphanumeric key. Customers can enter this key directly on the Janoshik website to independently confirm the authenticity and integrity of the test report.
