Does Mayo Contain Dairy? Shocking Truth You Won’t Believe!

Tue, 05 May 2026 22:04:21 +0000

Does Mayo Contain Dairy? The Shocking Truth You Won’t Believe! Mayo is one of the most beloved kitchen staples in homes worldwide, fondly spread on burgers, in sandwiches, and mixed into sauces. But here’s a question many people ask: Does mayo contain dairy? You might be surprised by the realistic answer — and the science behind it. ### The Dairy Truth: Yes, Mayo Does Contain Dairy Contrary to popular belief among health-conscious eaters and some “dairy-free” diets, mayo is indeed made with dairy. Specifically, the primary ingredient in traditional mayonnaise is egg yolk, which contains milk proteins from cows, and vegetable or seed oils (like canola, soybean, or sunflower oil). This combination creates that rich, creamy consistency we love.