Zelopeps — UK research peptide supplier. Independently lab-tested (HPLC/MS), COA per batch, 99%+ purity, tracked UK dispatch. Free shipping over £150.

Independently verified · Free shipping over £150 · Pay by bank (Open Banking), crypto, or WhatsApp/Telegram · Code FIRSTORDER 10% off
Research-grade - Independently assayed

The standard for
verified research peptides.

Every lot is assayed by independent laboratory - HPLC and mass spectrometry - with a certificate of analysis published before release. For laboratory and in-vitro research use only.

Same-day dispatch before 2 PM

99%+Average assayed purity
HPLC + MSDual-method verification
Per-lotCertificate of analysis
01

Assayed, not asserted

HPLC and mass spectrometry on every batch, published lot by lot.

02

Same-day dispatch before 2 PM

Royal Mail tracked shipping. Free on orders over £150.

03

Discreet by default

Unmarked packaging and encrypted checkout on every order.

The Collection

Research compounds

Lyophilized - 99%+ purity - certificate of analysis per lot

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How to order

Build your basket below, then checkout — pay instantly by bank (Open Banking), crypto, or message us on WhatsApp/Telegram. Most orders are confirmed within a few hours.

21 compounds
BESTSELLER
ZELOPEPSRetatrutide
99%+PURITY
Weight Loss

Retatrutide

4.6Reta

Triple Receptor Agonist

10mg / 20mg

Retatrutide is a triple GIP, GLP-1, and glucagon receptor agonist. Studied for its effects on metabolic pathways and energy regulation. Among the newest and most extensively researched compounds in the metabolic space, with ongoing clinical investigation into its role in energy balance and appetite regulation.

from £75
£90SAVE £15
BESTSELLERSTACK
ZELOPEPSGlow Blend
99%+PURITY
Skin

Glow Blend

4.9Glow blend

BPC-157 + GHK-Cu + TB-500

70mg blend

A 70mg research blend combining BPC-157 (10mg), GHK-Cu (50mg) and TB-500 (10mg). Studied for complementary roles in tissue repair, collagen synthesis and cellular regeneration.

from £120
£155SAVE £35
BESTSELLER
ZELOPEPSTirzepatide
99%+PURITY
Weight Loss

Tirzepatide

4.7Tirz

Dual Receptor Agonist

10mg / 20mg / 30mg

Tirzepatide is a dual GIP and GLP-1 receptor agonist. Research has focused on its role in metabolic regulation, insulin sensitivity, and body composition. One of the most talked-about compounds in metabolic research, with an extensive body of peer-reviewed literature.

from £60
£70SAVE £10
ZELOPEPSBPC-157
99%+PURITY
Recovery

BPC-157

4.8BPC

Body Protection Compound

5mg / 10mg

BPC-157 is a synthetic peptide derived from a protein found in gastric juice. Widely researched for its role in tissue repair, gut health, and tendon recovery. One of the most studied peptides in the recovery category, with a large body of pre-clinical research.

from £25
£35SAVE £10
ZELOPEPSTB-500
99%+PURITY
Recovery

TB-500

4.7TB

Thymosin B4 Fragment

5mg / 10mg

TB-500 is a synthetic version of Thymosin Beta-4, a naturally occurring peptide present in almost all human cells. Researched extensively for its role in wound healing, muscle repair, and reducing inflammation at the cellular level.

from £30
£40SAVE £10
STACK
ZELOPEPSCagri + Sema
99%+PURITY
Weight Loss

Cagri + Sema

5.0Cagri + Sema

Amylin + GLP-1 Stack

10mg

A research stack combining Cagrilintide and Semaglutide, studying the synergistic effects of dual amylin and GLP-1 receptor activation on metabolic regulation and appetite control. Supplied as a combined lyophilised blend.

from £80
£95SAVE £15
STACK
ZELOPEPSBPC + TB Blend
99%+PURITY
Recovery

BPC + TB Blend

4.0BPC + TB blend

Wolverine Recovery Stack

10mg / 20mg

A synergistic blend of BPC-157 and TB-500, combining the gut and tendon repair properties of BPC-157 with the muscle and tissue recovery benefits of TB-500. Popular among researchers studying accelerated healing protocols. Buying BPC and TB separately at 10mg each would cost £95.

from £55
£70SAVE £15
Save £40+ vs buying separately
ZELOPEPSGHK-Cu
99%+PURITY
Skin

GHK-Cu

4.5GHK

Copper Tripeptide

50mg / 100mg

GHK-Cu is a naturally occurring copper complex that has been studied for its ability to stimulate collagen synthesis, promote skin repair, and reduce inflammation. A key compound in skin biology and anti-ageing research.

from £30
£45SAVE £15
ZELOPEPSTesamorelin
99%+PURITY
Performance

Tesamorelin

5.0Tesa

Growth Hormone Releasing Factor

5mg / 10mg / 20mg

Tesamorelin is a synthetic analogue of growth hormone-releasing hormone (GHRH). Researched for its role in stimulating growth hormone production and its effects on body composition and metabolic function.

from £50
£70SAVE £20
ZELOPEPSIpamorelin
99%+PURITY
Performance

Ipamorelin

4.6IPA

Growth Hormone Secretagogue

5mg / 10mg

Ipamorelin is a selective growth hormone secretagogue and ghrelin receptor agonist. Research focuses on its role in stimulating growth hormone release with high selectivity and a minimal side effect profile compared to other secretagogues.

from £25
£35SAVE £10
ZELOPEPSMelanotan II
99%+PURITY
Skin

Melanotan II

4.8Melanotan II

Melanocortin Receptor Agonist

10mg

Melanotan II is a synthetic analogue of alpha-melanocyte-stimulating hormone. Studied for its role in melanogenesis and pigmentation research. One of the most researched compounds in skin biology and dermatological studies.

from £40
£45SAVE £5
ZELOPEPSMelanotan I
99%+PURITY
Skin

Melanotan I

5.0Melanotan I

Melanocortin Receptor Agonist

10mg

Melanotan I is a synthetic analogue of alpha-melanocyte-stimulating hormone. Researched for melanogenesis and pigmentation with a distinct receptor profile from Melanotan II. Often studied where a linear melanocortin agonist is preferred in dermatological research protocols.

from £45
£55SAVE £10
ZELOPEPSGlutathione
99%+PURITY
Skin

Glutathione

5.0Glutathione

Master Antioxidant

600mg / 1500mg

Glutathione is a powerful antioxidant naturally produced in cells. Researched for its role in oxidative stress reduction, immune function, and skin tone studies. One of the most important antioxidant compounds in human biology.

from £35
£45SAVE £10
ZELOPEPSMOTS-C
99%+PURITY
Performance

MOTS-C

4.5MOTS-C

Mitochondrial Peptide

10mg / 40mg

MOTS-C is a mitochondrial-derived peptide that regulates metabolic homeostasis. Research has explored its role in insulin sensitivity, energy expenditure, and exercise capacity at the cellular level.

from £30
£35SAVE £5
ZELOPEPSCagrilintide
99%+PURITY
Weight Loss

Cagrilintide

5.0Cagri

Amylin Receptor Agonist

5mg

Cagrilintide is a long-acting amylin analogue being researched for its role in appetite regulation and metabolic control. Often studied in combination with GLP-1 receptor agonists for synergistic effects on metabolic homeostasis.

from £50
£60SAVE £10
ZELOPEPSKPV
99%+PURITY
Recovery

KPV

5.0KPV

Alpha-MSH Tripeptide Fragment

5mg / 10mg

KPV is a synthetic tripeptide derived from alpha-melanocyte-stimulating hormone. Researched for its role in inflammatory modulation, immune response, skin health, and tissue regeneration. A key compound in immunological and dermatological research.

from £30
£35SAVE £5
ZELOPEPSSelank
99%+PURITY
Cognitive

Selank

5.0Selank

Anxiolytic Peptide

5mg / 10mg

Selank is a synthetic analogue of the immunomodulatory peptide tuftsin. Researched for its anxiolytic properties and role in regulating neurochemical balance. Often studied alongside Semax for cognitive and neurological research protocols.

from £40
£45SAVE £5
ZELOPEPSSemax
99%+PURITY
Cognitive

Semax

5.0Semax

Nootropic Peptide

5mg / 10mg

Semax is a synthetic analogue of adrenocorticotropic hormone (ACTH) fragment 4-10. Widely researched for neuroprotective and cognitive-enhancement properties, including roles in BDNF expression, focus, and neurological recovery. Often paired with Selank in cognitive research protocols.

from £35
£45SAVE £10
ESSENTIAL
SterileSTERILE
Supplies

BAC Water

4.7BAC Water

Bacteriostatic Water · 10ml

10ml

Sterile bacteriostatic water (0.9% benzyl alcohol) for peptide reconstitution in laboratory research. Supplied as a single 10ml multi-dose vial.

from £15
£20SAVE £5
ESSENTIAL
SterileSTERILE
Supplies

Insulin Needles

5.0Needles

1ml · 31g · 8mm

each

Sterile single-use insulin syringes with fixed 31G × 8mm needle and 1ml barrel. Priced per syringe — set your quantity in the cart.

£0.99 each
£1.99 eachSAVE £1
ESSENTIAL
70% alcoholSTRENGTH
Supplies

Alcohol Wipes

4.0Wipes

Isopropyl prep pads

each

Individually wrapped isopropyl alcohol prep pads for vial caps and work surfaces. Priced per wipe — set your quantity in the cart.

£0.15 each
£0.30 eachSAVE £0.15
Reviews

What customers say

From WhatsApp & Telegram orders

4.7113 reviews
Reta 10mg

Checkout on the site was straightforward. Label matched what I ordered and it landed midweek.

Zelopeps

Thank you for the review! Glad the website checkout worked smoothly for you.

AnonymousVerified order
Aug 2026
Tirz 10mg

I'd never ordered peptides before and had a lot of basic questions. They answered on WhatsApp without making me feel stupid.

Zelopeps

Thank you for the review Laura! First orders can feel daunting, so we're glad we could talk you through it.

LauraDerby
Aug 2026
Glow blend

2nd glow stack

Zelopeps

Thank you for the review J.K.! Good to have you back.

J.K.Swindon
Aug 2026
GHK 50mg

Lyophilized cake looked normal after reconstituting with BAC water. Cap was tight and the box gave nothing away.

Zelopeps

Thank you for the review! Useful detail on the reconstitution — thanks for confirming everything looked as expected.

AnonymousVerified order
Aug 2026
Reta 20mg and BAC Water

Picked up BAC water in the same order so I didn't have to hunt for it elsewhere. Handy.

Zelopeps

Thank you for the review Daniel! Good shout — bundling supplies with the vial saves a separate order.

DanielCambridge
Aug 2026
BPC 10mg

Took an extra day to reach the Highlands which I expected. Vial and label were fine once it showed up.

Zelopeps

Thank you for the review M.T.! Fair comment on the extra day up north — Royal Mail is what it is. Glad the vial was ok.

M.T.Inverness
Aug 2026

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