Peptidarium vials with red caps in a laboratory rack, with BPC-157 and Tesamorelin in front

Research peptides, tested lot by lot.

Every lot is checked for purity and identity before it goes on sale, and its certificate is published. Every compound has a sourced library entry.

Shop peptides See every lot certificate

Purity

HPLC on every lot

Identity

Mass spectrometry

Certificates

Published per lot

Dispatch

Same day before 3 pm

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All products

Lot RET10-2611A

GLP-3

Vial: 10 mg, retatrutide
Tested: 99.0% · Lab report

£69.00£6.90 / mg

Lot GLW15-2611A

GLOW

Vial: BPC-157 10 mg + TB-500 5 mg
Tested: 99.0% · Lab report

£59.00£3.93 / mg

Lot TB05-2611A

TB-500

Vial: 5 mg
Tested: 98.9% · Lab report

£39.00£7.80 / mg

Lot GHK50-2610B

GHK-Cu

Vial: 50 mg
Tested: 99.1% · Lab report

£35.00£0.70 / mg

Lot MOT10-2610A

MOTS-c

Vial: 10 mg
Tested: 98.9% · Lab report

£45.00£4.50 / mg

Lot MT210-2611A

Melanotan II

Vial: 10 mg
Tested: 99.0% · Lab report

£27.00£2.70 / mg

Lot TRZ10-2611A

Tirzepatide

Vial: 10 mg
Tested: 99.1% · Lab report

£69.00£6.90 / mg

10 mL

Bacteriostatic water

Vial: 10 mL
Spec: Sterile, 0.9% benzyl alcohol

£7.00£0.70 / mL

01Choose a vial
Each one shows its lot number and purity. The lab report is one tap away.
02Check out in a minute
No account needed. Apple Pay, Google Pay or card, on a secure page.
03Dispatched today
Order before 3 pm on a working day. Royal Mail Tracked 24, free in the UK.
04Tracked to your door
Plain, sealed packaging. Anything damaged or wrong is replaced free.

Every lot is tested before it is listed.

An independent lab tests each lot. We publish the certificate, and the lot number on your vial opens it.

PurityReverse-phase HPLC, reported as a share of the main peak.

IdentityMass spectrometry, matched to the expected mass.

TraceabilityOne lot number from certificate to label to order.

Peptidarium · Lot certificate

Certificate of analysis

Specimen

Product	GLP-3, 10 mg
Lot	RET10-2611A
Purity, RP-HPLC	99.0%
Identity, ESI-MS	Expected 4731.4 · Found 4731.6
Date of analysis	27 Oct 2026

Illustration · each lot shows the lab's real trace

Tested by [Independent lab]Open the lot register

The library

One entry per compound: identity, history, what the studies measured, human data and regulatory status. Every entry is sourced, reviewed and dated.

Entry 0001 · Reviewed 2 Nov 2026BPC-15735 animal studies to 1 human study. What has and hasn't been measured, with 17 references.

Metabolic 9 entries

Nootropic 3 entries

Selank751.9
Semax813.9
DSIP848.8

Methods

How we test a lot Method Reading a certificate of analysis Method HPLC and mass spectrometry Method BPC-157 vs TB-500 Comparison

Questions

Is every lot tested?

Yes. An independent lab tests each lot for purity by HPLC and identity by mass spectrometry before it goes on sale. The certificate is on the product page and in the lot register.

How fast is delivery?

UK orders placed before 3 pm on a working day leave the same day by Royal Mail Tracked 24, free, with a next-working-day delivery aim. EU orders go by Royal Mail International Tracked and take 3 to 5 working days; the US and Canada take 5 to 7.

Do I need an account?

No. Guest checkout takes three steps. An account lets you reorder in one click and see every certificate for past orders.

What if a vial arrives damaged?

Tell us within 14 days with a photo and we send a replacement.

Who are these products for?

Laboratory research only. They are not for human or veterinary use.