What is a Nixtamal Tortilla Chip? Nixtamalization is an ancient process that involves soaking and cooking the corn in ash, mineral lime, or calcium to remove the outer cover from the kernel. This reduced mycotoxins by 97-100%, increases the bioavailability of amino acids, produces bio-available niacin, and enhances the absorption of key minerals when digested. Nixtamalization also improves the texture, aroma, and most importantly, flavor – Yum! Zia’s Nixtamal Tortilla Chips have just three locally sourced ingredients: Non-GMO Southwest Colorado corn, Redmond Real Salt from central Utah, and sunflower oil from Lamar, Colorado. No preservatives, gum, or paste additives here! All of Zia's corn is grown locally, and the chips are produced in their very own factory, crafted in small batches to minimize their energy and water use, and any waste created during production is composted by local farmers. The chip bag is made from natural kraft paper and lined with a compostable film made from annually renewable plants.