In-vitro research materials
Precision peptides for the modern research laboratory.
Protiva supplies synthetic peptides specified to ≥99% purity by HPLC, each backed by independent per-batch testing. Sourced, quality-checked and dispatched from Great Britain for qualified research use.
Research use only. All products are supplied for in-vitro laboratory
research and are not for human or veterinary consumption. Sales restricted to UK-based
purchasers aged 18 or over.
≥99% HPLC purity Every peptide specified to ≥99% by HPLC.
Third-party batch COAs Independent lab testing per batch.
UK dispatch Shipped from Great Britain, tracked.
Secure Pay-by-Bank Open-banking checkout — no card details stored.
Catalogue
Featured research peptides
GH Secretagogue Research GH Research
5mg + 5mg
CJC-1295 (no-DAC) + Ipamorelin Blend
CP10 Blend
from £34.95 View
Regulatory & Repair Research Regulatory & Repair Research
5mg + 5mg
BPC-157 + TB-500 Blend
BB10 Repair Blend
from £29.95 View
How it works
Quality you can document
1 · Specified & synthesised
Each peptide is manufactured to a defined sequence and specified to ≥99% purity by high-performance liquid chromatography.
2 · Independently tested
Batches are verified by third-party laboratories using HPLC, mass spectrometry and, where relevant, ICP-MS and LAL methods.
3 · Documented & dispatched
Certificates of analysis accompany each batch. Orders are processed and shipped tracked from within Great Britain.
FAQ
Common questions
What "research use only" means, how COAs work, shipping and payment — answered in plain terms.
Read the FAQResearch use only
All Protiva products are supplied strictly for in-vitro laboratory research and development. They are not medicines, food, cosmetics or supplements, and are not intended for human or veterinary consumption, administration, clinical, diagnostic or therapeutic use. By purchasing, you confirm you are a qualified purchaser acquiring these materials solely for lawful scientific research. No therapeutic or health claims are made or implied.
3rd Party Tested | 99%+ Purity
Your Research Is Only As Clean As Your Compound
Third-party tested. ≥99% purity guaranteed. Ships from the UK in 24 hours. Trusted by researchers, verified by lab reports.
Trusted by researchers across the UK
Average purity≥99% (HPLC)
Compounds catalogued8
Batches tested24
Tested atIndependent laboratories
Third-Party Tested
HPLC and mass spectrometry on every batch, run by independent laboratories.
Batch-Level COAs
Every vial has a Certificate of Analysis matched to its lot number.
UK Warehouse
Cold-stored, tracked dispatch from within the UK. No customs, no waiting.
99%+ Purity Guarantee
Below spec doesn't ship. Every lot is held to the threshold, no exceptions.
— Compound catalog
Full catalog
All products independently verified. COA linked on every page.
Click any report to view details View all lab reports →
≥99%Average purity (HPLC)
8Compounds certified
24Batches tested
3Recent tests · last 30 days
Peptides
Best Sellers
Best seller
Recovery
BPC-157
A synthetic 15-amino-acid pentadecapeptide derived from a sequence found in gastric juice, supplied as a lyophilised powder for in-vitro laboratory study.
Buy Now Skin
GHK-Cu
A copper-complexed tripeptide (glycyl-L-histidyl-L-lysine) supplied as a lyophilised powder for in-vitro laboratory study.
Buy Now GH Research
CJC-1295 (no-DAC) + Ipamorelin Blend
A pre-combined blend of CJC-1295 (without DAC) and Ipamorelin, supplied as a single lyophilised vial for in-vitro laboratory study.
Buy Now Regulatory & Repair Research
BPC-157 + TB-500 Blend
A pre-combined blend of BPC-157 and TB-500 in a single lyophilised vial, supplied for in-vitro laboratory study.
Buy NowElite research demands elite compounds.
Real testing
A PDF alone isn't verification. Every batch ships with independent lab reports, batch-specific documentation and full analytical transparency.
Simple steps to peptide research
01
Choose Your Peptide
Browse our catalog of independently verified compounds.
02
Verify The Batch
Every order includes HPLC purity analysis and a certificate of analysis.
03
Research With Confidence
Fast, tracked dispatch from within the UK.
FAQ
Frequently Asked Questions
What purity standards do your peptides meet?
Every peptide in the catalog is specified to ≥99% purity by HPLC, with identity confirmed by mass spectrometry. Batches that fall below specification are not dispatched.
Who can purchase from Protiva?
Qualified researchers aged 18 or over, based in the UK, purchasing strictly for in-vitro laboratory research. Our products are not for human or veterinary use.
Do your peptides come with COAs?
Yes. Every batch is independently tested and a certificate of analysis is issued per batch — linked on each product page and collected in the COA library.
What payment methods do you accept?
Secure Pay-by-Bank (open banking) checkout. You authorise payment directly from your bank — no card details are entered or stored on this site.
Do you offer bulk or wholesale pricing?
For bulk or laboratory-supply enquiries, get in touch via the contact page and our team will respond by email.
Are your peptides tested for heavy metals and endotoxins?
Where relevant to the compound, batches are additionally screened by ICP-MS (metal content) and LAL (bacterial endotoxin). Results are recorded on the batch COA.
Verified COA's
99%+ Purity, Guaranteed
We third-party test every batch before it ships. If a batch is ever below specification, it doesn't ship.