Purity you can trust
The HPLC data on the COA matched independent testing we ran in-house. Impeccable.
4.9from 3,606 verified researchers
Purity.
Research-grade peptides for everyday science
- Third Party Verified
- COA on Every Lot
- Tracked & Fast Shipping on All Orders for a Limited Time
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Purity 99%+
Manufactured to exacting standards and verified by independent labs for every batch.
Lab Verified
Third-party tested for identity and purity.
Purity 99%+- BPC-157
- TB-500
- GHK-Cu
- Semax
- Selank
- Ipamorelin
- CJC-1295
- Melanotan II
- Epithalon
- Thymosin Alpha-1
- BPC-157
- TB-500
- GHK-Cu
- Semax
- Selank
- Ipamorelin
- CJC-1295
- Melanotan II
- Epithalon
- Thymosin Alpha-1
Best sellers
View allOur Research Catalog
Shop high-purity peptides trusted by labs and researchers.
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Retatrutide
This batch of Retatrutide Peptide has been third-party laboratory tested and verified for quality...
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GHK-Cu
This batch of GHK-Cu Copper Peptide has been third-party laboratory tested and verified for...
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5-Amino-1MQ
This batch of 5-Amino-1MQ Peptide has been third-party laboratory tested and verified for quality...
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Glow BPC-157 + GHK-CU + TB-500
This batch of BPC-157 + GHK-Cu + TB-500 Peptide Blend has been third-party laboratory...
Smart Science, Maximum Purity
Carefully synthesized, rigorously tested, and ready for your research.
Product
Values
Values
Built for reliable, repeatable research — every product is documented, verified, and traceable to its batch.
99%+ purity
Verified by HPLC and MS
Batch COAs
Documentation for every lot
Third-party tested
Independent lab verification
Lyophilized
Stable, long shelf life
Quality assured
Strict QC on each release
Our promise
Our Ironclad Guarantee
Quality you can verify and service you can count on — no questions asked.
Fast shipping
Discreet, tracked delivery
COA on every batch
Full documentation included
Expert support
Here when you need us
Reviews
Rated by Researchers Worldwide
Real feedback from labs and researchers who rely on our peptides.
4.9
3,606 reviews
COA on every lot
What sold me is documentation for every single batch. No guesswork, fully traceable.
Fast, tracked shipping
Arrived in three days with a tracking number the whole way. Cold pack included.
Very reliable
Reconstituted cleanly, no cloudiness. Slightly pricey but worth the consistency.
Repeatable results
Batch-to-batch consistency has been perfect across five orders. My go-to supplier.
Great support
Had a question about storage and got a detailed answer within the hour.
Documentation is top tier
Every certificate is clear, dated, and lot-specific. Exactly what a lab needs.
Solid quality
Purity as advertised. Packaging could be a touch sturdier, otherwise flawless.
Verified and traceable
Cross-checked the lot number against the COA portal — everything lined up.
Impressed
Lyophilized powder was pristine. Dissolved instantly and stayed stable.
Consistent every time
Fourth order and identical quality throughout. Reliability you can plan around.
Would recommend
Good communication and accurate labeling. Shipping was quicker than expected.
Exactly as described
No surprises — purity, quantity, and paperwork all matched the listing.
Trustworthy source
Been burned by other suppliers before. This one is the real deal.
Great turnaround
Ordered Friday, in the lab Monday. Cold chain intact.
Happy overall
Product is excellent. One order took a couple extra days but support kept me posted.
Lab-grade quality
Mass spec confirmed identity to spec. This is what research-grade should mean.
Reliable and clean
Zero contamination issues across multiple assays. Highly dependable.
Best documentation I've seen
The COA detail is beyond most vendors. Makes compliance paperwork painless.
Great value
Purity for the price is hard to beat. Will be ordering again.
Highly recommend
Smooth ordering, fast dispatch, and spotless quality. Nothing to fault.
Consistent purity
Three separate lots, all 99%+ by HPLC. Exactly the reproducibility we need.
Excellent all around
From website to delivery, a genuinely professional experience.
Dependable
Good peptides, honest paperwork, responsive team. My default supplier now.
From the blog
Latest Research Notes
Guides, updates, and insights from the Peptiva team.
Hexarelin
Hexarelin vs IGF-1 LR3 : lequel pour la masse sèche ?
IGF-1 LR3 agit directement sur le muscle pour une prise de masse sèche plus rapide. Hexarelin stimule la GH endogène et améliore...
Read article
force explosive
Hexarelin avant l'entraînement : pic de GH et force explosive
Hexarelin avant l'entraînement promet un pic de GH et une force explosive accrue. Comparé à l'IGF-1 LR3, les mécanismes diffèrent, mais les...
Read article
caloric deficit muscle preservation
IGF-1 LR3 vs Hexarelin for Lean Muscle Retention During Cutting
IGF-1 LR3 and Hexarelin both claim muscle-sparing effects during a cut. This breakdown compares direct IGF-1 receptor activation against GH-mediated
Read articleFAQ
Frequently Asked Questions
Everything you need to know about our peptides, documentation, and orders.
What is a Certificate of Analysis (COA)?
A COA is third-party lab documentation confirming the identity and purity of each batch. One is available for every product — see our COA page.
Are these products for human use?
No. All products are sold strictly for laboratory and in-vitro research purposes only — not for human or veterinary use.
What purity can I expect?
Our peptides are tested to 99%+ purity by HPLC and verified by mass spectrometry.
How should products be stored?
Store lyophilized powder at -20°C away from light. Reconstituted peptides should be refrigerated and used promptly.