Customer Service

Return Instructions

To return an unopened box of products, simply write REFUSE-RETURN TO SENDER on the package and give back to the postal service.

Otherwise please follow these instructions:

  1. Place any unopened* Real Advantage Nutrients bottles you wish to return in a box.
  2. Insert a note with your full name and email address so your account can be located.
  3. Write the following on the front of the box:

    Real Advantage Nutrients Returns
    1900 Industrial Park Rd

Arrange for the box to be shipped with a postal carrier like UPS, Fed-Ex, or the USPS.
Please allow 14-21 business days for any refunds to be processed.

Please click here to have your Real Advantage Nutrients supplements removed from future automatic deliveries.

If you’d like to continue to receive shipments but adjust the delivery of your AutoDelivery Service shipments, please call 1-800-913-2602 (International customers use 1-443-353-4306).

If you would like to send us an e-mail with your request, please fill out the form below:

Contact Information

Please note: By clicking submit, you authorize Real Advantage Nutrients to use your comments in our marketing materials. Rest assured, we respect your privacy and we will never use your full name or other personal information in our marketing materials.

Real Advantage Nutrients'  Customer Service


Real Advantage Nutrients


Customer Service:
PO Box 913
Frederick, MD 21705-0913
1-443-353-4306 (International Customers)


Mon-Fri between 8 a.m. and 8 p.m. ET
Saturday between 9 a.m. and 5 p.m. ET


Place Orders:

Real Advantage Nutrients
Dept. W655DFL4
PO Box 913
Frederick, MD 21705-0913


Send Returns:
Sisk Fulfillment
Attn: Returns Department
1900 Industrial Park Road
Federalsburg, MD 21632