
- Independently tested by Janoshik Analytical
- Certificate of Analysis with every batch
UK research peptides
Rigorously tested peptides for serious research.
Every lyophilised vial is identity- and purity-tested, documented batch by batch, and dispatched from the United Kingdom with a Certificate of Analysis on request.



- 99%+ purity
- Third-party HPLC and mass spectrometry on every batch
- Batch traceable
- Reference number printed on every vial
- UK manufactured
- Synthesised and lyophilised under controlled conditions
Batch-tested peptides
View all compounds →



From £60.00
Weight Management · 10mg / 15mg / 20mg / 30mg / 40mg / 50mg / 60mg · COA on request

From £60.00
Weight Management · 10mg / 20mg / 30mg / 40mg / 50mg / 60mg · COA on request

Quality shouldn’t require trust. It should provide evidence.
Every batch passes through the same four stages before it is released. Nothing ships on assumption; each step leaves a document you can ask to see.
Our quality standards01
Source
Raw material assessed against defined identity criteria on receipt.
02
Manufacture
Synthesis and lyophilisation under controlled UK conditions.
03
Analyse
Independent third-party HPLC and mass spectrometry analysis.
04
Verify
Batch reference assigned and documentation compiled before release.
Batch verification
Search analytical documentation by product or batch reference.
BPC-157 10mg
Batch 45213-7ZRQ5NXSWEHU
45213-7ZRQ5NXSWEHU
HPLC / MS
VERIFIED
SS-31 50mg
Batch 70112-KFCMHEXZ1BEV
70112-KFCMHEXZ1BEV
HPLC / MS
VERIFIED
GHK-Cu 50mg
Batch 70116-ZDW7UV6LUXQM
70116-ZDW7UV6LUXQM
HPLC / MS
VERIFIED
Tesamorelin 10mg
Batch 90725-RTFTEPXURPDH
90725-RTFTEPXURPDH
HPLC / MS
VERIFIED
Tirzepatide 40mg
Batch 100378-5P8TRAFCXWMW
100378-5P8TRAFCXWMW
HPLC / MS
VERIFIED
Order before 3pm for same-day UK dispatch on Royal Mail Tracked 24, from £4.99.
Technical reference
Browse the library →Compound Profiles · 7 min read
Compound Profile: Tirzepatide
Structure, receptor pharmacology and research context for the dual GIP/GLP-1 agonist tirzepatide.
Compound Profiles · 6 min read
Compound Profile: BPC-157
Identity, molecular formula, research classification and published literature references for the pentadecapeptide BPC-157.
Peptide Science · 8 min read
GLP-1 Agonists Compared: Semaglutide, Tirzepatide and Retatrutide
Single, dual and triple receptor agonists side by side: what differs structurally and what the comparative literature examines.
Frequently asked questions
For research use only. Not for human consumption.
All products supplied by Regent Peptides are intended solely for laboratory research and analytical use. They are not medicines and are not supplied for diagnostic, therapeutic, veterinary or household purposes. Purchasers must be appropriately qualified and responsible for compliant handling, storage and disposal.