Research-grade peptides · UK stock
Lab-Verified Research Peptides UK
Every batch HPLC + mass-spec tested. ≥99% purity, dispatched from our UK facility within 24 hours. Trusted by research customers across the United Kingdom.
- 99.4%
- Avg. purity
- 30+
- Peptides in stock (various MG)
- 24h
- UK dispatch
- 60+
- Trustpilot reviews
Best sellers
Most ordered this quarter.
Top peptides chosen by UK research labs. All shipped from UK stock with published Certificates of Analysis.
KLOW80 80mg | 99.32% Purity | Exclusive Peptide Blend | UK Research
GHK-Cu 100mg | 99.71% Purity | Copper Tripeptide
GHK-Cu 100mg — Gly-His-Lys copper-binding tripeptide. 99.71% purity (HPLC-verified). One of the most studied copper peptides in extracellular matrix, wound-healing, and collagen research. UK stock. Research use only.
SS-31 10mg (Elamipretide) | ≥99% Purity Research Grade UK
SS-31 10mg (Elamipretide) — a synthetic tetrapeptide that targets the inner mitochondrial membrane. ≥99% purity (HPLC-tested). The most studied mitochondria-targeting peptide for in-vitro cellular energy research. UK-stocked.
Bacteriostatic Water 10ml | Peptide Reconstitution
Customer reviews
What UK researchers say.
★★★★★ 4.6 / 5 · 55+ Trustpilot reviews
★★★★★
“Finding a trustworthy source for peptides is genuinely hard in the UK. Messaged Steve, friendly comms and expert advice. 100% recommend.”
Alex Ottaway
Research lab
★★★★★
“Fast delivery, Steve is always happy to answer questions. Really good customer service and the package was packed safely. Will defo order again.”
Marzena Anna
Repeat customer
★★★★★
“Absolutely outstanding! Ordered at 4am Friday and the product was with me 9am the following day.”
Megan Rose
First-time buyer
Common questions
Before you order.
Are these peptides for human consumption?+
No. Every product on ThePeptideCode is sold strictly for laboratory and research use only. They are not intended for human or veterinary use, diagnosis, or treatment.
How do you verify purity?+
Every batch is independently HPLC tested for purity (≥99%) and confirmed by mass spectrometry for identity. Certificates of Analysis are published per batch and linked from each product page.
How fast is UK delivery?+
Orders placed before 12 noon Mon–Fri ship same day from our UK facility via Royal Mail. Standard (Tracked 24hr, 1–2 working days) is £4.99 — free standard shipping over £100.
How should peptides be stored?+
Lyophilised peptides are shipped under inert gas and remain stable at room temperature for short transit. Long-term: store at −20°C. After reconstitution, keep refrigerated at 2–8°C.
What payment methods do you accept?+
Pay by Bank (instant bank payment) and direct bank transfer (BACS). All payments are processed by PCI-DSS-compliant providers — we never see your card details.
Need a custom batch or a bulk order?
Academic, contract-research, and clinical-research enquiries welcome. Direct line to our research team — usually replies the same day.
Contact research team →