America’s #1 Source For Peptides
Premium peptides made in the USA, third-party tested for purity, and shipped fast with real customer support behind every order.
For research use only. Not for human or animal use.
Find products fast
View all products →Why over 10,000 customers trust BioPep USA.
Research chemists, retailers, and labs choose BioPep USA for clear product details, third-party testing, and fast U.S. shipping.
Every order is handled through secure checkout, careful fulfillment, and responsive U.S.-based support.
Clear product details
Product listings are organized so researchers can choose quickly and confidently.
Third-party purity testing
HPLC or UPLC and mass spectrometry results available for review.
Fast U.S. fulfillment
Eligible orders ship same day from the United States with tracking.
Real U.S. support
Questions are answered by a U.S.-based support team.
Frequently asked questions
Find answers to common questions about our products, shipping, and orders.
How should products be stored?
Current lyophilized vial labels state 2–8°C and protected from light. Bacteriostatic Water labels state 2–8°C, do not freeze, and protect from light. Keep each item sealed and follow any lot-specific statement on its label or COA.
Do you provide COAs?
Yes. Products are manufactured and tested in the USA, and COAs may include purity, identity, endotoxin, quantity, and other lot-specific results. They do not make a product suitable for human or animal use.
What if my order is damaged, missing items, or incorrect?
If your product arrives damaged, has missing items, or contains the wrong products, contact us via the contact form or email with your order number and an explanation. Our team will respond promptly to resolve all issues.
Do you accept returns?
Due to the sensitive nature of our research-grade materials, we cannot accept returns. However, if there are issues with your order, you can contact our team and we will work toward an amicable solution.
How quickly will I receive my order?
Free U.S. shipping is included. Orders placed before 2 PM ET ship the same business day. Typical delivery is 2–4 business days, and any available expedited option is shown at checkout.
Can I modify or cancel my order?
You may modify or cancel your order only if it has not yet been shipped. Contact our support team as soon as possible.
How can I track my order?
Once your order ships, you will receive an email with a tracking number and estimated delivery date. You will also receive a confirmation email once your order has arrived.
Product updates, straight to your inbox.
Get restock notices, new product updates, and COA updates.
By subscribing, you confirm you are 21+ and agree to receive BioPep USA marketing emails. Unsubscribe anytime. Privacy
