For research purposes only·Not for human consumption·18+·Laboratory grade — Batch tested·For research purposes only·Not for human consumption·18+·Laboratory grade — Batch tested·For research purposes only·Not for human consumption·18+·Laboratory grade — Batch tested·For research purposes only·Not for human consumption·18+·Laboratory grade — Batch tested·For research purposes only·Not for human consumption·18+·Laboratory grade — Batch tested·For research purposes only·Not for human consumption·18+·Laboratory grade — Batch tested·
Peptide PassportSpaar punten · tot 15% perma-kortingLog in om te sparen
Live · 12 onderzoekers bekijken nu
Retatrutide 20mg

Onderzocht.Geperfectioneerd.

Premium research peptides, lab-verified per batch. Discreet, snel, en Nederlands.

Sale · nu tot −40%
10.000+
Bezorgde bestellingen
HPLC ≥ 99%
Onafhankelijk gecertificeerd
4,9 ★
Uit 287+ reviews
NL atelier
24u verzending · discreet verpakt
§02 — Three best-sellers, three signatures of the atelier

The vials every
lab asks for.

Three peptides that account for more than 60% of our shipments. Each tested on HPLC, endotoxins and heavy metals.

01 · Triple Agonist

Reta20mg.

GLP-1 · GIP · Glucagon

Triple receptor agonist for research on metabolism, energy expenditure and glucose regulation. 39 amino acids, lyophilised under argon.

Price
€ 150,00
Product detail
Reta 20mg
02 · Four in one · House blend

KLOW80Blend.

GHK-Cu · BPC-157 · TB-500 · KPV

50mg GHK-Cu + 10mg BPC-157 + 10mg TB-500 + 10mg KPV — our composed formula for regenerative research. Independently batch tested.

Price
€ 100,00
Product detail
KLOW80 Blend
03 · Copper tripeptide

GHK-Cu100mg.

Extracellular matrix · regeneration

Research into collagen synthesis, cellular communication and regenerative signalling. 100mg lyophilised in a glass vial, batch tested for purity.

Price
€ 45,00
Product detail
GHK-Cu 100mg
Sale · permanente korting

−40%
op klassiekers

We ruimen onze meest bestudeerde vials op. Zelfde HPLC-verificatie, zelfde COA, alleen 40% goedkoper — voor altijd. BPC-157, Ipamorelin, CJC, Epithalon en meer.

§03 — The complete collection

65 products.15 categories.

Click a category for the filterable shop, or click a vial directly to go to the product. Stock is tracked live.

View all 65 in the shop
§03 · 01
Triple Agonists
GLP-1 · GIP · Glucagon
5
products
View category · 5
§03 · 02
Regenerative
ECM · collagen · GHK-Cu
5
products
View category · 5
§03 · 03
Melanocortin
α-MSH analogues · research
3
products
View category · 3
§03 · 04
House Blends
Multi-peptide formulas
2
products
View category · 2
§03 · 05
Neuropeptides
Cognition · stress
4
products
View category · 4
§03 · 06
Metabolic
Mitochondrial
5
products
View category · 5
§03 · 07
Lab Supply
BAC water · accessories
4
products
View category · 4
§03 · 08
Pens
Pre-filled · ready to use
13
products
View category · 13
§03 · 09
Pre-orders
Soon back in stock
0
products
View category · 0
§04 — Philosophy

Science as
a craft.

Every vial is treated as a small object of precision — produced in a controlled environment, tested by independent laboratories and sealed until the moment of research.

Read the philosophy
Batch guarantee
I.
HPLC ≥99%
II.
Endotoxin & ICP-MS
III.
Argon-sealed vials

COA available per batch

Peptide Passport · Loyalty

Vier tiers.
Één passport.

Elke euro is één punt. Klim door de tiers — verdien tot 15% permanente korting, altijd gratis verzending en verjaardagscadeaus.

🥉
Onderzoeker
🥈
Aspirant
5%
🥇
Meester
10%
💎
Meesterlijk
15%

Meer op de Passport-pagina

§03b — Research partners speak

Trust isbuilt, vial by vial.

Long-time customers share their experience — a selection from the atelier's inbox.

“First vial in the lab — HPLC confirmed 99.4% purity, exactly as the COA stated. Not a given in this industry.”
Dr. M.
Research lab Utrecht
99.4%
HPLC verified
“Ordered Wednesday, in hand Friday. Discreet packaging, lyophilisate properly dry. There's clearly thought behind this.”
C. van den B.
Returning customer
<48h
Delivered
“The Vial Configurator gave exactly the info I needed — batch, purity, mg per peptide. No noise, just facts.”
T. Janssen
Independent researcher
★★★★★
Clarity
99%
Recommend us
1,500+
Satisfied researchers
≤24h
Answer to questions
§04 — Veelgestelde vragen

Vragen die
vaker komen.

Mocht uw vraag er niet tussen staan, neem gerust contact op met het atelier — we beantwoorden iedere vraag persoonlijk.

§06 — Newsletter

Letters fromthe atelier.

Irregular, never pushy — announcements of new batches, restocks and notes on purity. Straight from the atelier, into your inbox.

New batches
Restocks before the shop
Atelier notes
Irregular & never pushy
Private offers
Subscribers first
Atelier letter
~1× per month
Prefer direct contact?
atelier@peptidemeester.org
  • ORDERED TODAY
  • DELIVERED TOMORROW
  • HPLC ≥ 99%
  • SECURE PAYMENT
  • FREE SHIPPING > €150
  • COA WITHIN 24H
  • ANONYMOUS SHIPPING
  • ATELIER · NETHERLANDS
  • ORDERED TODAY
  • DELIVERED TOMORROW
  • HPLC ≥ 99%
  • SECURE PAYMENT
  • FREE SHIPPING > €150
  • COA WITHIN 24H
  • ANONYMOUS SHIPPING
  • ATELIER · NETHERLANDS
§05 — Order now

Order today.Delivered tomorrow.

Live stock
Updated now
0
vials ready to ship
65 products.
15 categories.
NL · BE · EU

Order before 16:00, shipped the same day. Secure payment via your own bank. Free shipping within the Netherlands above €150.

Quick order
All 65 →
Reta 20mg
Reta 20mg
20mg
€ 150,00
KLOW80 Blend
KLOW80 Blend
80mg
€ 100,00
GHK-Cu 100mg
GHK-Cu 100mg
100mg
€ 45,00
Melanotan II
Melanotan II
10mg
€ 45,00
Semax
Semax
10mg
€ 45,00
GHK-Cu 50mg
GHK-Cu 50mg
50mg
€ 35,00
Not for human consumption · For research purposes only · 18+
Klantenservice

Één contactpunt · peptidemeester@proton.me

Voor alle vragen — bestellingen, retour, betalingen, klachten en groothandel — mail direct. We reageren binnen 12 uur. Vermeld je ordernummer voor de snelste hulp.
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Ma–vr · 9:00–17:00 · NL/EN

Dutch atelier for laboratory peptides. Every vial lyophilized, independently tested and sealed until the moment of research.

Disclaimer

All products on Peptidemeester are intended exclusively for scientific research in controlled environments. Not for human or animal consumption. Ordering for 18+ only.

© 2026 Peptidemeester · All rights reserved
Research Use Only · Lab Grade · Made in NL