Frequently Asked Questions
Everything you need to know about the South's favorite mayonnaise.
What makes Duke's Mayonnaise different from other brands?
Duke's is the only major mayonnaise brand that contains no sugar. Our original recipe, created by Eugenia Duke in 1917, uses a higher ratio of egg yolks and a unique blend of vinegars to achieve its signature 'twang'.
How should I store my Duke's Mayonnaise?
Unopened jars should be stored in a cool, dry place. Once opened, Duke's Mayonnaise must be refrigerated to maintain its quality and food safety.
What is the shelf life of your products?
Each jar is stamped with a 'Best If Used By' date. For the best flavor and texture, we recommend consuming the product before this date. Once opened, we suggest using the product within two months.
Do you offer international shipping?
Currently, our online store ships within the United States. However, we are working on expanding our reach to bring our signature bold flavor to fans worldwide.
What is your return policy for food items?
Due to the perishable nature of our products, we cannot accept returns. However, if your order arrives damaged or incorrect, please contact our customer service team within 14 days for a replacement or refund.
Is Duke's Mayonnaise gluten-free?
Yes, Duke’s Real Mayonnaise is naturally gluten-free and does not contain any ingredients derived from wheat, barley, or rye.