Frequently asked questions

Peptides are short chains of amino acids, the building blocks of proteins. They're widely used in laboratory research.

No. Everything we sell is for laboratory research use only. Our products are not intended for human or veterinary use, diagnostic procedures, or any application outside a controlled laboratory.

You must be at least 21 years old.

Yes. Batches are sent to an independent third-party laboratory, and the certificate of analysis (COA) is posted on the product page and in our COA library.

A COA is the laboratory's report for a specific batch. It documents the identity and purity found in testing, so you can verify what's in the vial.

They're kept as lyophilized (freeze-dried) powder, which is stable at room temperature during transit. After arrival, store at or below -20°C.

Yes. 5 items get 5% off, 10 items get 10% off, and 15 or more get 15% off. Bacteriostatic water and other diluents don't count toward the quantity.

We currently accept cryptocurrency at checkout. You'll choose your coin on the payment page.

Orders placed before 1 pm Central on a business day ship the same day. You'll get tracking by email.

Yes, we ship worldwide. International orders are placed at the buyer's risk, and you're responsible for your country's import rules, duties and taxes. See the shipping policy.

We can't accept returns because of the fragile nature of the products. You can cancel before an order ships. If something arrives damaged, missing or incorrect, contact us right away. See the refund policy.

Only before it ships. Contact support immediately if you need a change.

Pharmaceutical peptides are FDA-approved medications made under strict manufacturing standards. Our research peptides are research-grade materials for in-vitro investigation only, are not FDA approved, and are labeled not for human consumption.

No. We're a chemical supplier. We don't compound medications for human use.

Email support@peptidesbiotech.com, call or text 1-877-291-2999, or use the contact page.