Pepspan vs Baltic Peptides (formerly Baltic BioLabs), Europeptide and Moleculon: the 2026 EU Research Peptide Supplier Review

The European research peptide market in 2026 has matured beyond the early-stage landscape of five years ago. A small group of suppliers has emerged as the most frequently referenced options for researchers, institutions and advanced independent laboratories operating within the EU. This analysis compares the four most cited EU-based brands — Pepspan, Baltic Peptides (formerly Baltic Peptides), Europeptide and Moleculon — across the criteria that determine whether analytical results produced with their materials will hold up to scrutiny.

The purpose of this guide is not to declare a universal winner. Research programmes have different priorities: a university laboratory running quantitative pharmacokinetic studies weighs purity verification differently than an independent researcher prototyping a novel formulation. Instead, the goal is to surface the structural differences between these four suppliers so that the right decision can be made for each specific project. Along the way we will be transparent about Pepspan's own positioning within the comparison.

Evaluation Framework

The comparison uses seven criteria that directly impact research outcomes and regulatory defensibility:

1. Batch-specific Certificate of Analysis (COA) — is the COA generated per production batch with a unique identifier, or is it a generic document reused across multiple lots?
2. Independent third-party testing — is purity and identity verified by an external laboratory distinct from the manufacturer, or is quality control handled internally only?
3. Purity standards and analytical data — what HPLC purity threshold is applied, and what supporting data (mass spectrometry, amino acid analysis) is included?
4. EU logistics and transit — does the supplier genuinely ship from within the EU single market, and how fast does a typical order arrive?
5. Language coverage and localisation — does the supplier operate in the languages spoken by their customer base, including technical documentation?
6. Catalogue breadth and research utility — does the product catalogue cover the peptides that current European research programmes actually need?
7. Payment, legal and regulatory transparency — are payment methods diverse, and are shipping, privacy, refund and legal policies published in full?

The 2026 Ranking (September update)

Based on the seven criteria, the suppliers rank as follows. Moleculon Europe leaves the ranking because it is offline. Detailed reasoning follows in dedicated sections.

1. Pepspan — a public Janoshik report per lot, linked from every product page and from a QR code on the box; ten languages with ten localised checkouts; free tracked shipping from €50. Limitation: a brand launched in 2026, with two references currently sold ahead of their report — which the product page states.
2. Baltic Peptides — the broadest catalogue in this comparison and Janoshik reports linked from product pages. English only; free shipping from €150.
3. Europeptide — Netherlands-based, states third-party testing, lower prices. Laboratory not named and no report linked on the product pages we checked.

— Moleculon Europe — removed from the ranking: no sign of activity as of September 2026.

Head-to-head Criteria Table

Criterion	Pepspan	Baltic Peptides	Europeptide	Moleculon
Per-lot COA	Public report per lot, linked from the product page and the lot page; 2 of 9 purchasable references sold with the analysis scheduled, stated on the page	Janoshik report linked from the product page (BPC-157 checked)	States third-party testing; no report linked on the pages we checked	Offline
Independent laboratory	Janoshik Analytical (Prague); reports verifiable on janoshik.com	Janoshik Analytical (linked)	Not named	—
Purity data	Measured per lot (e.g. BPC-157 99.7 %, GHK-Cu 99.8 %), result on the lot page	HPLC data per linked report	Not shown on the pages we checked	—
Traceability	Lot number on the label, public lot page, QR code on the box to the report	Not verified	Not verified	—
EU shipping	From Spain · 2–7 business days · tracked · free from €50	From Lithuania · tracked · free from €150	From the Netherlands · 1–5 days stated	—
Languages	10 languages, 10 localised checkouts	English only	English only	—
Payment	SEPA (no fees) · crypto USDC/USDT with 15 % discount · card and PayPal on eligible products	“Multiple methods” — not itemised publicly	Not itemised publicly	—
Catalogue	14 references, 9 purchasable today; other peptides on request	48+ products, 32 compounds (incl. GLP-1 analogues, HGH, nasal sprays)	26 products, 12 compounds	—
Legal transparency	Pepspan Ltd, UK Companies House 17144153; operations office in the Czech Republic; policies in 10 languages	English policies; company details not shown on the pages we checked	Postal address and phone published (De Krim, NL)	Domain parked

1. Pepspan

Summary: The youngest brand in this comparison, built around one operating rule: a lot is analysed by an independent laboratory and the report is published where the buyer can find it — on the product page, on a public lot page and behind a QR code on the box. Pepspan Ltd is a UK limited company (Companies House 17144153) with its operations office in the Czech Republic, the same country as its testing laboratory.

Strengths:

• Public report per lot. Janoshik Analytical (Prague) runs HPLC purity and mass-spectrometry identity per lot. Six lot pages are online today: BPC-157, TB-500, CJC-1295 + Ipamorelin, GHK-Cu, Wolverine Blend (component reports) and bacteriostatic water (sterility verified). Each links to the verification entry on janoshik.com.
• From the vial to the report in one scan. The lot number is printed on the label and the box carries a QR code that opens the report.
• Ten languages, ten checkouts. English, Spanish, German, French, Italian, Dutch, Polish, Portuguese, Czech and Greek — product pages, legal policies and the full checkout.
• Payment that fits how Europeans pay. SEPA transfer with no fees, cryptocurrency (USDC and USDT on Polygon and Base) with a 15 % discount, and card or PayPal on eligible products.
• EU shipping from Spain. Tracked on every order, 2–7 business days, free from €50. Shipped to 14 EU member states so far in 2026, from Portugal to Finland.
• Published legal framework in every language. Privacy (GDPR), shipping, refunds, terms of service and research disclaimer.

Limitations:

• Launched in 2026. What can be checked today: a registered company, six public and verifiable reports, and — when a lot is listed before its report — a product page that says so and gives the laboratory date. In September 2026 that is the case for MOTS-c and Sermorelin, whose samples go to the laboratory the week of 14 September.
• A focused catalogue. 14 references, each with its own lot page, against 48 at Baltic Peptides. Other peptides are available on request.

2. Baltic Peptides (formerly Baltic BioLabs)

Summary: Baltic Peptides is the new trading name of Baltic BioLabs; the old domain no longer resolves and search interest has moved to the new name. Orders ship from a fulfilment centre in Lithuania with full tracking.

Strengths:

• The broadest catalogue in this comparison: 48 products and 32 compounds, including GLP-1 analogues, HGH, nasal sprays and nootropics.
• Janoshik reports linked from product pages (“View COA”); we checked the BPC-157 page on 11 September 2026.
• EU fulfilment from Lithuania, tracked, and a public FAQ with a section on COAs and batch traceability.

Limitations:

• English only: site, documentation and support.
• Free shipping starts at €150, against €50 at Pepspan.
• Payment methods are described as “multiple” but not itemised publicly.
• The “COAs” menu entry leads to the shop listing rather than to a report index, and we could not verify that every reference and every current lot has its own report.

3. Europeptide

Summary: Europeptide (europeptide.com — not to be confused with europeptides.com, an unrelated B2B laboratory supplier) is based in De Krim, the Netherlands, and ships from there in a stated 1–5 days.

Strengths:

• Lower prices than the rest of the category on like-for-like items: GHK-Cu 50 mg at €39.99, MOTS-c 10 mg at €36.99 (11 September 2026).
• A published postal address and phone number.
• Ships from inside the EU.

Limitations:

• It states that “all products are third-party tested”, but on the product pages we checked no laboratory is named and no report is linked.
• English only.
• Payment methods not itemised publicly.
• For research that has to survive a reviewer’s question, an unlinked report is the structural difference.

4. Moleculon Europe: what happened

Moleculon Europe appeared in the April edition of this comparison as a powder-format specialist. As of 11 September 2026, moleculon.eu returns a 404 error and moleculon.com shows its registrar’s parking page. We found no sign of activity. If you have an open order with them, contact your payment provider. We keep the entry because “Moleculon” remains a frequent search — and because a comparison that quietly deletes a supplier is less useful than one that says what happened.

Why Pepspan Leads the 2026 Ranking

A public report per lot, and honesty when it is missing. Independent testing is no longer unique — Baltic Peptides also links Janoshik reports. What differs is where the evidence lives: a page per lot, a link from every product page, a QR code on the box, and a product page that says so when a lot is on sale before its report. When a reviewer asks where a number comes from, that chain is the answer.

Ten languages are the European market. A German institutional buyer reading procurement documents in German, a Portuguese researcher checking out in Portuguese: both competitors in this comparison operate in English only. Pepspan publishes product pages, legal policies and the full checkout in ten languages.

Payment, shipping and legal infrastructure built for the EU buyer. SEPA with no fees, cryptocurrency with a 15 % discount, card and PayPal on eligible products; tracked shipping from Spain, free from €50; and a UK limited company (17144153) with an operations office in the Czech Republic, publishing its full legal framework in every supported language.

When Another Supplier May Fit Better

This guide is not a claim that Pepspan is the right choice in every case:

• Compounds outside our current catalogue. GLP-1 analogues, HGH, nasal sprays or nootropics are stocked by Baltic Peptides. Pepspan supplies other peptides on request, but a stocked item ships faster.
• Cost-sensitive pilot work. Where price matters more than a linked report — preliminary formulation tests before committing to a validated source — Europeptide’s prices are lower.
• Years in market. Buyers for whom trading history is decisive, independent of what is published, may prefer Baltic Peptides over a brand launched in 2026.

The Peptide Sciences Shutdown (6 March 2026)

On 6 March 2026, Peptide Sciences — one of the best-known research peptide suppliers in the United States and, for years, the default source for many European researchers willing to import transatlantically — went offline without notice, as reported by several industry trackers (source). Its closure left part of the European market looking for a new reference supplier.

For European buyers the practical reading is twofold. First: importing from the US always meant customs exposure, long lead times and seizure risk — dependencies that the shutdown turned into a real continuity problem for anyone who relied on it as a single source. Second: supply is consolidating, and the criteria in this comparison now matter more, not less — physical EU stock, a public per-lot report (not just internal QC), and support in the researcher’s own language.

Researchers coming from Peptide Sciences will find direct European equivalents of the most common items in its catalogue — BPC-157, CJC-1295 + Ipamorelin, TB-500 or Bacteriostatic Water — with a Janoshik report per lot and EU shipping, no US customs involved.

Conclusion: The 2026 European Standard

The European research peptide market is differentiating along one axis: suppliers that publish per-lot evidence, operate in the buyer’s language and keep their legal and payment infrastructure transparent are pulling ahead of those that don’t. Pepspan leads this comparison because its structure follows that axis. Baltic Peptides remains a serious option for English-speaking researchers who need a wide catalogue. Europeptide serves the price-sensitive segment. Moleculon has left the market.

For researchers whose work will be scrutinised by peers, reviewers or funders, the question is not which supplier is cheapest or most familiar, but whose evidence will stand when the data is questioned. On that criterion, a Janoshik report per lot — public, and one scan away from the vial — is the strongest answer available in the EU market in 2026.

Explore the Pepspan catalogue: BPC-157, TB-500, CJC-1295 + Ipamorelin, GHK-Cu, Bacteriostatic Water. For all published Janoshik reports see our purity reports page.

Frequently asked questions

Is Baltic Peptides the same company as Baltic BioLabs?

Yes. Baltic BioLabs now trades as Baltic Peptides at balticpeptides.com; the old domain no longer resolves. Orders ship from Lithuania.

Does Baltic Peptides publish COAs?

Its product pages link Janoshik Analytical reports (“View COA”); we checked the BPC-157 page on 11 September 2026. We could not verify that every reference and every current lot has its own report.

Is Moleculon still operating?

We found no sign of it. As of 11 September 2026, moleculon.eu returns a 404 and moleculon.com is a parked domain. If you have an open order, contact your payment provider.

Does Europeptide publish certificates of analysis?

Europeptide states that all products are third-party tested. On the product pages we checked, no laboratory is named and no report is linked.

Which European supplier publishes a Janoshik report per lot?

Pepspan publishes a public page per lot with the Janoshik report and its verification link, and prints a QR code to it on the box. Six lot pages are online: BPC-157, TB-500, CJC-1295 + Ipamorelin, GHK-Cu, Wolverine Blend and bacteriostatic water.

Is Peptide Sciences still open?

No. Peptide Sciences (USA) went offline on 6 March 2026 without notice. European equivalents of its most common items — BPC-157, TB-500, CJC-1295 + Ipamorelin, bacteriostatic water — ship from inside the EU with no US customs.

Which supplier ships free with the smallest order?

Pepspan: free tracked EU shipping from €50. Baltic Peptides: from €150. Europeptide does not publish a threshold on the pages we checked.

Which supplier accepts SEPA and cryptocurrency?

Pepspan accepts SEPA with no fees and USDC/USDT with a 15 % discount, plus card and PayPal on eligible products. Baltic Peptides and Europeptide do not itemise their payment methods publicly.

Which supplier operates in my language?

Pepspan: product pages, policies and checkout in ten languages (English, Spanish, German, French, Italian, Dutch, Polish, Portuguese, Czech, Greek). Baltic Peptides and Europeptide operate in English only.

Can I trust a brand launched in 2026?

Check what is verifiable rather than the founding year: Pepspan Ltd is registered at UK Companies House (17144153), six Janoshik reports are public and verifiable on janoshik.com, and when a lot is sold before its report the product page says so.

What does a per-lot COA mean?

A certificate issued for the exact production lot you receive, referencing the lot number on your vial — not a generic document reused across batches. At Pepspan each lot has its own public page and a QR code on the box.

Which supplier is right for my project?

For data that must survive scrutiny and for documentation in your language: Pepspan. For compounds outside Pepspan’s stocked catalogue, such as GLP-1 analogues: Baltic Peptides (Pepspan also supplies other peptides on request). For the lowest price without a linked report: Europeptide.

Research Disclaimer: This comparison is published for informational purposes to help qualified researchers evaluate European peptide suppliers. All products discussed are intended exclusively for laboratory research use and are not for human or animal consumption outside approved research protocols. Statements about third-party suppliers (Baltic Peptides, Europeptide, Moleculon, Peptide Sciences) reflect what was publicly visible on their own websites on 11 September 2026 and do not constitute endorsements or legal statements about those brands.