Taco Bell adds Silica, also known as Silicon Dioxide. Silicon Dioxide is the most abundant mineral found in the Earth's crust. Silica is found most common as sand or quartz.

Silica is used in the production of glass, fiber optics, porcelain, stoneware, and concrete.

Silica is also commonly added in the production of foods where it is used to absorb water. In Taco Bell's case they use Silica to reduce moisture and keep the meat from clumping together.

Silicon an essential trace element commonly found in the form of Silica helps to guard against Alzheimer's disease, Osteoporosis, and Dementia.

Silicon is also needed for proper bone, cartilage, and tissue health. A deficiency of Silicon can lead to weak bones, tendonitis, bone decalcification, and cardiovascular disease.

Foods rich in Silica/Silicon are Dark Green Leafy Vegetables, Fruits, Nuts, Seeds, and Berries.