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    Legal

    Terms of Service

    Last updated: November 2026

    Business Information

    These terms are provided by Excalibur Peptides. Email: info@excaliburpeptides.com.

    1. Research Use Only

    All products sold by Excalibur Peptides are intended strictly for in-vitro laboratory research purposes. By purchasing from us, you confirm that you will not use any products for human consumption, veterinary purposes, or any therapeutic application.

    2. Buyer Certification

    Buyer certifies that all products are purchased for bona fide laboratory research purposes only and will not be used for human consumption, injection, or any therapeutic purpose. No refunds on opened or reconstituted vials. Age 21+ required. U.S. federal law governs all sales.

    3. Eligibility

    You must be at least 21 years of age and legally authorized to purchase research chemicals in your jurisdiction. By placing an order, you represent that you meet these requirements.

    4. Accounts and Research-Use Agreement

    An Excalibur Peptides account is required to view the catalog and pricing, use the cart and place an order; guest checkout is not available. Creating an account is free, with an email address and password or by continuing with Google or Apple.

    Before the catalog, pricing and ordering open, each account accepts the research-use agreement once: you confirm that you are 21 years of age or older and that you are purchasing for in-vitro laboratory research use only, not for human or animal consumption, and you select your field of research. The date and time of acceptance are recorded on your account (see our Privacy Policy). The buyer certification at checkout still applies to every order.

    You are responsible for keeping your sign-in details secure and for activity under your account. We may suspend or close an account that breaches these Terms, including the research-use agreement.

    5. Age Verification

    All purchasers must confirm they are 21 years of age or older. This verification is required at site entry and in the research-use agreement when you create your account, and may be required again at checkout. Falsifying age verification is a violation of these Terms.

    6. Orders & Pricing

    Pricing is shown to signed-in customers whose account has the research-use agreement on file. All prices are listed in USD and are subject to change without notice. We reserve the right to cancel any order for any reason, including pricing errors. Payment is due at the time of order placement.

    7. Shipping & Delivery

    Orders placed before 2 PM EST on a business day ship the same day; others ship the next business day. Shipping times vary by destination. Excalibur Peptides is not responsible for delays caused by carriers or customs processing.

    8. Returns & Refunds

    All sales are final. We do not accept returns or issue refunds. No refunds on opened or reconstituted vials. If your order arrives damaged or incorrect, we will replace it at no charge. Please contact us at info@excaliburpeptides.com with photos of the issue within 7 days of delivery.

    9. Limitation of Liability

    Excalibur Peptides shall not be liable for any indirect, incidental, or consequential damages arising from the use or inability to use our products. Our total liability is limited to the purchase price of the product.

    10. Billing Descriptor

    Charges from Excalibur Peptides will appear on your credit card or bank statement as "Excalibur Peptides". If you do not recognize a charge, please contact us before initiating a dispute with your bank.

    11. Governing Law

    These terms are governed by applicable U.S. federal law and the laws of the State of Texas. Any disputes shall be resolved in the courts of the State of Texas.

    See also: SMS Terms & Consent.

    Are You Over 21?

    This site sells research peptides for laboratory and research use only.

    You must be at least 21 years of age to enter. Products are NOT for human consumption.

    FOR RESEARCH PURPOSES ONLY