Earths Purities Diatomaceous Earth is ultra superfine food-grade Australian organic diatomaceous earth is the finest quality. It is pure and untreated. The benefits of adding this wonderful product into your life are endless. Our Food-grade diatomaceous earth is composed of approximately 94 percent silica. This important, trace mineral is required by tendons, cartilage, blood vessels, and bones. The nutrient even contributes to almost every vital organ, including the heart, liver, and lungs. It is also natured cleanser of the body. Diatomaceous earth acts as a mild abrasive both topically and internally. Inside your body, it is reported to help remove intestinal invaders and other harmful organisms from the digestive tract. As an internal cleanser, diatomaceous earth may aid cleansing by supporting regularity and assisting in the removal of toxic metals.