For Research Use Only — Not for Human Consumption

International Shipping Available — Dispatched Worldwide from the UK

  • Free UK shippingTracked, orders over £50
  • Same-day dispatchOrder before 3pm GMT
  • CoA on every batchHPLC purity report
UK SupplierCoA Library≥99% Purity4.8

Free UK shipping (tracked) on orders over £50 — auto-applied at checkout

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UK's Trusted Research-Peptide Source

UK Research Peptides — ≥99% Purity with Batch CoA

UK-based supplier of lyophilised research peptides. Every batch is tested by an independent lab and supplied with a batch-specific Certificate of Analysis.

CoA Per BatchUK Dispatch
I.

Most Ordered · In Stock Today

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Best Sellers

Retatrutide

GLP-1 / GIP / Glucagon triple agonist

Line total

£60.00

≈ $76 · €70

Triple-agonist incretin investigated in metabolic research.

1
● In Stock

Tirzepatide

GIP / GLP-1 dual agonist

Line total

£45.00

≈ $57 · €53

Dual GIP and GLP-1 receptor agonist for incretin research.

1
● In Stock

Semaglutide

GLP-1 receptor agonist

Line total

£62.00

≈ $79 · €73

Synthetic GLP-1 analogue for biochemical receptor research.

1
● In Stock

BPC-157

Pentadecapeptide

Line total

£30.00

≈ $38 · €35

Pentadecapeptide derived from a protective protein in gastric juice.

1
● In Stock

TB-500 (Thymosin β4 Acetate)

Thymosin Beta-4 fragment

Line total

£42.00

≈ $53 · €49

Synthetic analogue of the naturally occurring Thymosin Beta-4.

1
● In Stock

Ipamorelin

Selective ghrelin agonist

Line total

£30.00

≈ $38 · €35

Selective ghrelin receptor agonist for endocrinology research.

1
● In Stock

Popular Searches

2,300+

Verified reviews

24h

Tracked dispatch

≥99%

Lab-verified purity

CoA

On every batch

▶ A word from the Professor — with sound
II.

The Plate

Featured Peptide

Curator's Pick

TirzepatideGIP / GLP-1 dual agonist

Dual GIP and GLP-1 receptor agonist for incretin research.

Dual Agonism9.5/10
Half-life9/10
Purity9.1/10

From

£45.00

≈ $57 · €53
View Peptide
Free UK shipping over £50 (tracked). Typical delivery:UK 1–3 daysEU 3–7 daysUS 5–10 days
III.

Build & Save

Compose Your Kit

Kit Builder — Auto Discount

Assemble any five vials, save 15%. Ten vials, save 20%.

Mix and match freely across the entire catalogue. The discount applies at checkout — no code required.

15%

5 vials

20%

10 vials

Build a Kit
V.

From Bench to Doorstep

The Professor's Process

  1. 1

    Synthesis

    Solid-phase peptide synthesis in ISO-certified facilities.

  2. 2

    HPLC Verification

    Purity confirmed ≥99% by an independently accredited third-party lab (HPLC + MS).

  3. 3

    Certificate of Analysis

    Batch-specific CoA prepared and archived for every vial.

  4. 4

    UK Dispatch

    Discreet, tracked shipment from our London facility within 24h.

III.

The Cabinet

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UK-Based Quality Promise

Every batch is tested by an independently accredited third-party laboratory and supplied with a batch-specific Certificate of Analysis (CoA). We operate from the United Kingdom and dispatch tracked orders within 24 hours.

UK

Based & Dispatched

CoA

Per Batch

The Professor's Assurance

Free reship guarantee on every UK order

If your parcel is lost, seized, or arrives damaged in transit, we will reship it once at our expense — subject to our simple conditions.

  • · UK delivery addresses only
  • · Report within 14 days of dispatch
  • · One reship per order
  • · Incorrect addresses excluded
Read full reship policy

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Bulk pricing for laboratories

Standing-order discount of 10% on orders of 10+ vials of the same peptide. Institutional invoicing available.

5+

5% off

10+

10% off

25+

15% off

IV.

Your Guide

Meet the Professor

Professor Peptide, your research-peptide guide

A word from the Professor

"Welcome to the library. Every vial here is lyophilised at ≥99% purity and ships from the UK with a batch Certificate of Analysis. Tell me what you're researching — I'll point you to the right shelf."

Ask the Professor → hello@professorpeptide.co.uk

What customers say

"Fast Dispatch"380+
"High Purity"295+
"Discreet Packaging"210+
"CoA Provided"445+
"Excellent Service"400+
"Trusted & Reliable"355+
"Recommended"285+
"No Issues"145+

Fast & Discreet Shipping

24h tracked dispatch. Free UK shipping on orders over £50.

Third-Party Tested

Independently accredited third-party lab verifies HPLC purity on every batch.

Dedicated Support

Full technical product guidance from our team.

Verified Source

The UK's most reviewed research-peptide supplier.