Q: How fast is delivery in the Netherlands?

Orders placed before 16:00 on business days ship the same day and arrive next day within the Netherlands via PostNL. EU delivery is 2-5 working days. Shipping is €4.50 (free from €150).

Q: In what form are the peptides delivered?

Lyophilised dry powder in sterile, sealed glass vials that meet research standards. Pre-filled research pens are also available for select peptides (ready-to-use).

Q: Is there a wholesale option?

Yes — a dedicated wholesale portal (groothandel) is available for bulk and institutional buyers. Multi-pack bundles (e.g., 2× vials) and a permanent sale tier (up to −40% on classic peptides) are also offered.

Q: Which payment methods are accepted?

Peptidemeester accepts Stripe (card, iDEAL, Bancontact, Klarna, PayPal) and Bunq (SEPA bank transfer). All payments are processed securely.

Q: What is the return policy?

Unopened, sealed products can be returned within 14 days after email approval; return shipping is at the customer's expense. Opened vials, ready-to-use pens, and nasal sprays are non-returnable for hygienic reasons.

Question 1

What does Peptidemeester sell?

Accepted Answer

Peptidemeester is a Dutch online shop selling laboratory-grade research peptides — 82 in-stock products across 15 categories, from GLP-1 triple agonists to regenerative blends and house-formulated multi-peptide vials. Every batch is HPLC-tested for purity with a Certificate of Analysis (COA) per lot. Research use only.

Question 2

Are these peptides suitable for human consumption?

Accepted Answer

No. All products are strictly for laboratory and research purposes only. Not for human or animal consumption. Buyers must be 18 or older and confirm research-only use.

Question 3

How is quality and purity guaranteed?

Accepted Answer

Every batch is independently tested via HPLC (≥99% purity, most lots ≥99.7%), endotoxin screening via LAL (<0.1 EU), and heavy metals via ICP-MS. A Certificate of Analysis (COA) is provided per lot number (e.g., PM·2607·A) and available on the product page.

Question 4

How fast is delivery in the Netherlands?

Accepted Answer

Orders placed before 16:00 on business days ship the same day and arrive next day within the Netherlands via PostNL. EU delivery is 2-5 working days. Shipping is €4.50 (free from €150).

Question 5

In what form are the peptides delivered?

Accepted Answer

Lyophilised dry powder in sterile, sealed glass vials that meet research standards. Pre-filled research pens are also available for select peptides (ready-to-use).

Question 6

Is there a wholesale option?

Accepted Answer

Yes — a dedicated wholesale portal (groothandel) is available for bulk and institutional buyers. Multi-pack bundles (e.g., 2× vials) and a permanent sale tier (up to −40% on classic peptides) are also offered.

Question 7

Which payment methods are accepted?

Accepted Answer

Peptidemeester accepts Stripe (card, iDEAL, Bancontact, Klarna, PayPal) and Bunq (SEPA bank transfer). All payments are processed securely.

Question 8

What is the return policy?

Accepted Answer

Unopened, sealed products can be returned within 14 days after email approval; return shipping is at the customer's expense. Opened vials, ready-to-use pens, and nasal sprays are non-returnable for hygienic reasons.

Sell our peptides under your own brand.

The quality of a research atelier, priced for resale.

Third-party COA on every batch

Volume pricing · from 25 units

Discrete NL fulfillment

White-label available

Request wholesale access