Featured · BPC-157
$54.99 · 5mg Vial
99%+ purity · CoA included · Ships today
Research-Grade Peptides · US-Based · Est. 2024
Premium
Peptides,
Verified.
99%+ identity purity confirmed by independent US laboratories. Certificate of Analysis included free with every order.
99%+Purity
14+Compounds
USLabs Only
1 DayShips
Scroll
99%+ Identity Purity
HPLC & Mass Spec Verified
CoA Included Free
US-Based Labs Only
Same-Day Fulfillment
Free Shipment Protection
14+ Research Compounds
Third-Party Tested
Lyophilized Powder Form
Research Use Only
99%+ Identity Purity
HPLC & Mass Spec Verified
CoA Included Free
US-Based Labs Only
Same-Day Fulfillment
Free Shipment Protection
14+ Research Compounds
Third-Party Tested
Lyophilized Powder Form
Research Use Only
Our Catalog
Research Peptide
Collection
Collection
Popular
BPC-157
Body Protection Compound. Widely studied for tissue repair and recovery.
Popular
TB-500
Thymosin Beta-4 fragment. Studied for healing, recovery, and cellular migration.
New
Retatrutide
Triple-agonist for GLP-1, GIP, and glucagon receptor pathway research.
NAD+
Nicotinamide Adenine Dinucleotide. Researched for energy metabolism and longevity.
99%+
Identity Purity
14+
Compounds
1000+
Orders Shipped
100%
US-Sourced
01
99%+ Identity Purity
Every batch HPLC & Mass Spec verified by independent US labs.
02
Full CoA Included
Third-party Certificate of Analysis ships free with every order.
03
Same-Day Fulfillment
Shipped from US facilities same-day, tracking included.
04
Free Reship Protection
Lost or damaged — we reship at zero cost. Every order covered.
Featured Compound
Semax — Nootropic
Research Peptide
Research Peptide
Quality You Can Verify
Not Just Trust —
Verify Every Batch.
Verify Every Batch.
Every compound is identity-tested by independent US labs via HPLC and Mass Spec. Your CoA ships with every order automatically.
Browse All Compounds
Why On1 Peps
Everything You Need
to Succeed in Research
to Succeed in Research
01
99%+ Identity Purity
Every batch HPLC & Mass Spec verified by independent US labs. No exceptions, no compromises.
02
Full CoA Included
Certificate of Analysis ships free. Third-party documentation — no request needed.
03
Same-Day Fulfillment
Orders processed and shipped same-day from US facilities. No middlemen, no delays.
04
Free Shipment Protection
Lost, damaged, or stolen? We reship at no cost. Every order covered automatically.
05
Lab-Grade Standards
Synthesized under strict conditions, tested by independent US labs at every stage.
06
Researcher Support
Dedicated support for the research community. Questions about compounds? We're here.
Questions
Frequently
Asked
Asked
Everything about our peptides, testing, and ordering process.
Tesamorelin — Growth Hormone–Releasing Hormone analogue
What purity level are your peptides?
+
All products are verified to 99%+ identity purity via HPLC and Mass Spectrometry by independent US laboratories.
Do you include a Certificate of Analysis?
+
Yes. Every order ships with a full CoA documenting identity, purity, and testing results. No need to request separately.
What is shipment protection?
+
Every order includes free shipment protection. Lost, damaged, or stolen — we reship at no cost, no questions asked.
Where are your peptides sourced?
+
All products are sourced and shipped from US-based facilities. Testing by independent, accredited American laboratories.
How should I store my peptides?
+
Store lyophilized peptides in a cool, dry place. For long-term storage, refrigeration or freezing is recommended. Once reconstituted, refrigerate and use within the recommended timeframe.
Are you a pharmacy?
+
No. On1 Peps is not a pharmacy. No dosing instructions or medical advice. All products are for research use only by licensed professionals aged 21+.
Ready to Begin
Research-Grade.
Verified.
Browse 14+ compounds — 99%+ purity, full CoA,
and free shipment protection on every order.