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·
N°01Halo · Retatrutide 20mg
Batch 2026·07
Retatrutide 20mg
Lab · live
HPLC99,7%
ENDO<0,1 EU
LOTPM·2607·A

Onderzocht.Geperfectioneerd.

Lab-getest per batch. Discreet uit Nederland — vóór 15:00 besteld, morgen in huis.

COA verified24u NL4,9 · 780+
12 onderzoekers bekijken nu
N°02§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.

Reta 20mg
01Triple Agonist

Reta20mg.

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

€ 150,00
Product detail
KLOW80 Blend
02Four in one · House blend

KLOW80Blend.

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

€ 100,00
Product detail
GHK-Cu 100mg
03Copper tripeptide

GHK-Cu100mg.

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

€ 45,00
Product detail
N°05Sale · 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.

N°03§03 — The complete collection

86 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 86 in the shop
Triple Agonists
GLP-1 · GIP · Glucagon·07
View category · 7
Regenerative
ECM · collagen · GHK-Cu·08
View category · 8
Melanocortin
α-MSH analogues · research·03
View category · 3
House Blends
Multi-peptide formulas·02
View category · 2
Neuropeptides
Cognition · stress·05
View category · 5
Metabolic
Mitochondrial·05
View category · 5
Lab Supply
BAC water · accessories·04
View category · 4
Pens
Pre-filled · ready to use·18
View category · 18
Pre-orders
Soon back in stock·00
View category · 0
N°04§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

N°06 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

N°07§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
N°08Veelgestelde vragen

Vragen die
vaker komen.

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

N°09§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
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.
Instagram en TikTok gebruiken we alleen voor updates — DM's worden niet actief gemonitord. Mail voor snellere reactie.

Stuur ons een e-mail
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.

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