Question 1

How do I place an order?

Accepted Answer

Browse products, add to cart, and checkout. We accept all major credit cards. Orders are processed immediately after payment confirmation.

Question 2

What purity level are your peptides?

Accepted Answer

All Promino peptides are 99%+ purity. Each batch is independently tested using HPLC and mass spectrometry. A Certificate of Analysis is provided with every order.

Question 3

How long does shipping take?

Accepted Answer

Orders are processed in 0-2 business days. Standard delivery arrives within 3-5 business days after fulfillment.

Question 4

Do you ship internationally?

Accepted Answer

Currently we ship within the United States only.

Question 5

What is a Certificate of Analysis (CoA)?

Accepted Answer

A Certificate of Analysis is a third-party lab document confirming purity (99%+), identity via mass spectrometry, and molecular weight for each batch of peptide.

Question 6

Are these peptides for human use?

Accepted Answer

No. All Promino products are sold strictly for laboratory research and educational purposes only. They are not approved for human or veterinary use.

Question 7

How should I store peptides?

Accepted Answer

Lyophilized peptides can be stored at room temperature short-term. For long-term storage, refrigerate at 2-8°C or freeze at -20°C. Avoid repeated freeze-thaw cycles.

Question 8

What payment methods do you accept?

Accepted Answer

We accept major credit cards including Visa, Mastercard, American Express, and Discover.

Question 9

Can I modify or cancel my order?

Accepted Answer

Orders can be modified or canceled within 1 hour of placement. Contact support@promino-usa.com immediately for help.

Question 10

Do you offer bulk or institutional pricing?

Accepted Answer

Yes. Contact support@promino-usa.com with your requirements for custom institutional and bulk pricing.

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Research-grade peptides, made in the USA, with third-party testing, full traceability, and pricing built for labs that buy often.

Occasional updates from Promino