For laboratory research use only. Not for human consumption. Not a medicine.

UK research supply

Lab-Grade Peptides.
1-Year Shelf Life.

  • HPLC and mass-spec tested. Right here in our lab.
  • Check your QR codes straight off the box.
  • Next Day Delivery (Bulk Resellers only)

When does your pen expire?

Dual-needle operations start the clock ticking right away.You have 28 days.

Three peptide pens labelled SM20 20mg, TR100 100mg and RT40 40mg, with a green corner tape reading keeps fresh for 1 year and a bottom banner reading ideal for bulk resellers
  • ≥99% HPLC purity
  • Third-party tested
  • Batch COA on every order
  • Cold-chain packed
  • UK dispatch
  • Secure checkout

Controlled vs uncontrolled

Lab Quality. Delivered. Fast

Pipettes, a rack of capped sample vials and laboratory instruments inside a stainless-steel biosafety cabinetControlled environment

Professional Laboratory Process

  • ISO 5 controlled work zone

    Laminar-flow workstations reduce airborne particulate exposure during controlled processing.

  • Validated SOPs & traceability

    Repeatable procedures and full batch records document materials, processing and checks.

  • Calibrated precision equipment

    Controlled dispensing and calibrated balances support repeatable, verified fill quantities.

  • Documented aseptic diluents

    Sterile diluents supplied with certificates of analysis: bacteriostatic water (0.9% benzyl alcohol) or 0.9% sodium chloride, as specified.

  • Controlled aseptic filling

    Filling with 0.22 µm PTFE vent barriers supports pressure equalisation and controlled air exchange.

  • Analytical identity & purity checks

    HPLC and mass-spectrometry assessment supports peptide identity and purity verification against specification.

Small specimen vials beside a kitchen scale, dirty mugs and an open jar on a cluttered domestic kitchen counterUncontrolled domestic setting

"DIY" Risks & Failures

  • Uncontrolled environments

    Domestic surfaces and air can introduce bacteria, mould spores, dust and pet dander.

  • No standard procedures

    Informal online guidance and undocumented handling lead to batch-to-batch variability.

  • Inaccurate fill quantities

    Visual estimates and uncalibrated consumer scales can produce inconsistent results.

  • Unverified diluents

    Expired, non-sterile or home-filtered water can compromise sample stability and introduce contamination.

  • Compromised closures

    Improvised stoppering and sealing may introduce leaks, rubber particles and unwanted air exposure.

  • Unconfirmed purity

    Claims without batch-specific analytical evidence leave identity and purity unverified.

Why UK Peptide Lab

Manufactured in the UK. Handled with care.

Manufactured in a UK laboratory

Every compound is processed, filled and dispatched from the UK under controlled conditions, with full batch traceability from receipt to dispatch.

Rolled, never shaken

Gentle rolling agitation is used at every handling stage — never vigorous shaking — to preserve the structural integrity of the lyophilised compound.

Fresh bacteriostatic water, made here

BAC diluent is produced in fresh batches in our UK laboratory rather than shipped in from China or India, so it arrives with recent manufacture dates and full traceability.

Equipment & materials suppliers

Logos of the equipment and materials suppliers we work with: Cole-Parmer, Calibre Scientific, Esslab, Macherey-Nagel, Lancetech, Be Scientific, DLAB, Adexa, imatec Medical, Waternation Scientific and HD Chemicals

Choose Your Peptide

Featured Compounds

View all
Peptide pen, Semaglutide 20mg, product code SM20
Semaglutide

One of the most studied peptides today, widely researched for its role in metabolism and blood-sugar signalling.

Metabolic pathways
20mg≥99% (HPLC)
Low stock · 10

from£54

1
Peptide pen, Tirzepatide 100mg, product code TR100
Tirzepatide

A next-generation peptide that acts on two hormone pathways, a key focus of modern metabolic research.

Metabolic pathways
100mg≥99% (HPLC)
In stock

from£180

1
Peptide pen, Retatrutide 40mg, product code RT40
Retatrutide

The newest in its class, acting on three hormone pathways — at the leading edge of metabolic research.

Metabolic pathways
40mg≥99% (HPLC)
In stock

from£144

1
Peptide pen, BPC-157 + TB-500 20mg, product code BB20
BPC-157 + TB-500

A popular blend of BPC-157 and TB-500, widely used in tissue and repair research.

Tissue & matrix
20mg≥99% (HPLC)
In stock

from£81

1
Peptide pen, NAD+ 500mg, product code NJ500
NAD+

A vital coenzyme found in every cell, researched for its role in cellular energy and ageing.

Cell ageing
500mg≥99% (HPLC)
In stock

from£81

1
Peptide pen, Semax 10mg, product code XA10
Semax

A peptide derived from a natural hormone fragment, researched for cognition and brain health.

Neural research
10mg≥99% (HPLC)
In stock

from£59

1

Our Quality Process

  1. 01

    Synthesis

    Solid-phase synthesis to specification by audited manufacturing partners.

  2. 02

    Independent HPLC / MS testing

    Every batch analysed by an independent laboratory for purity and identity.

  3. 03

    Batch COA issued

    Chromatogram, mass-spectrometry result and batch number recorded.

  4. 04

    Lyophilised, sealed & cold-packed

    Vials sealed under inert conditions and dispatched cold-packed from the UK.

Volume Pricing

Discounts apply per product line, based on the quantity of that product code in your basket. Above 25 units per line, contact us for institutional pricing.

See full tier table

1 unit

Full price

2–5 units

−5%

6–10 units

−10%

11–15 units

−15%

16–20 units

−20%

21–25 units

−25%

FAQ

Batch releases & new compounds

Occasional notifications when new batches and COAs are published. No marketing claims.

Minimum order value for free UK tracked shipping: £150