Research Peptide FAQ

Frequently asked questions about research peptide sourcing, quality documentation, order workflow, payment methods, shipping, and ZePeptide B2B supplier standards.

Purity & COA

What is the purity of your research peptides?

Each ZePeptide product is documented at the applicable purity level (typically ≥99% or ≥99.5% depending on the molecule) and is shipped with batch-specific COA, HPLC purity chromatography, and identity confirmation where applicable.

Does each batch come with a COA?

Yes. Each lot is shipped with a Certificate of Analysis (COA) connecting the lot number to the measured purity result and identification methods.

Ordering

Who can purchase research peptides from ZePeptide?

ZePeptide supports qualified laboratory, distributor, and B2B buyers for lawful laboratory and in-vitro research sourcing.

How do I place a bulk or recurring order?

Contact our sales team to discuss recurring order volumes, packaging, and quotation terms. We support standing orders for qualified B2B buyers.

Shipping

Do you ship internationally?

Yes. We coordinate international shipping to qualified B2B destinations with cold-chain packaging and documentation aligned to your country's import requirements.

How long does delivery take?

Standard processing takes 1-2 business days, with international transit times of 7-25 days depending on destination and shipping option.