Buying guide
What a reliable research peptide source actually means
A definition-first checklist for “reliable peptide source”: batch proof you can reopen, not a slogan or a claimed warehouse. Research use only.
Free tracked EU shipping over €120
Reordered
Compounds that labs across Slovakia and the EU reorder — because the batch data checks out and the results replicate.

Synthetic pentadecapeptide (15 amino acids). Lyophilized powder, HPLC >99%, COA per batch.
€5.00/mg

Copper complex of the tripeptide glycyl-L-histidyl-L-lysine. Lyophilized powder, HPLC >99%.
€0.70/mg

Synthetic peptide analog (GIP/GLP-1/glucagon class). Lyophilized powder, HPLC >99%.
€14.00/mg
Latest research
Buying guide
A definition-first checklist for “reliable peptide source”: batch proof you can reopen, not a slogan or a claimed warehouse. Research use only.
Buying guide
A criteria-first checklist for evaluating any research-peptide supplier — including Ascend Labs — without marketing slogans.
Buying guide
A Slovakia-focused checklist for buying research peptides online — documentation, delivery and what to avoid.
Why Ascend Labs
A direct comparison on the criteria that determine whether your data is reproducible.
| Criterion | Ascend Labs | Typical supplier |
|---|---|---|
| COA | Public, tied to batch number | Missing or on request |
| Testing lab | External — HPLC and MS | In-house or unspecified |
| Batch release threshold | ≥99% HPLC or it doesn't ship | No public threshold |
| Dispatch | Within 24 hours | Unspecified |
| Shipment tracking | Tracked to 23 EU countries | Opaque transit |
| Support | Human in SK / EN within 1 business day | Ticket bots only |
FAQ
Order from the Ascend Labs catalog with 24-hour dispatch and tracked delivery to Slovakia. Every batch is ≥99% HPLC with a public COA tied to the batch number. Laboratory research use only.
Pick a compound, check the COA and purity on the product page, add to cart and checkout. We dispatch within 24 hours; tracked delivery to Slovakia typically 2–5 business days.
No. All products are sold strictly for laboratory research purposes only. Not for human or veterinary consumption, diagnostic, or therapeutic use. They may only be handled by qualified personnel in a controlled laboratory setting.
Every batch is analyzed by an external lab — HPLC for purity and mass spectrometry for identity confirmation. We release only ≥99% batches. The result is on the COA tied to your vial's batch number.
Orders are dispatched within 24 hours. Tracked delivery to Slovakia typically takes 2–5 business days. Free shipping on orders over €120.00.
Keep vials lyophilized at −20°C, protected from light and moisture. Reconstitution should only be performed in a laboratory setting using sterile technique.
One that publishes HPLC results and identity data for every batch — and that you can re-check after delivery. Ascend Labs releases ≥99% HPLC batches with a public verify page tied to the batch number. Laboratory research use only.
Enter the batch number from your vial's label on the verify page. The COA with the purity result for your specific batch appears. If the number doesn't match, contact support before the material enters a protocol.