Blue clay refers to the seaside clays. Chewing clay, you can make up for lack of silicon in the body. It improves metabolism, removes excess fluid from the body. Taste: reminiscent of peanuts, with biting crunches. Blue edible clay refers to the Crimean seaside clays. It contains sufficiently large amounts of iron, silicon, cobalt, cadmium, phosphorus, copper, iodine, sulfur and other important minerals for the human body. Chewing clay, you can compensate for the deficiency in the body of silicon. It improves metabolism, removes excess fluid from the body. Taste: reminiscent of peanuts, with biting crunches.