Bitterants are regarded as bittering agents that are added to products with a purpose of making them smell or taste bitter. These are used for discouraging any substance ingestion or inhalation. Some of the bitterants developed by Nikita Transphase Adducts Pvt. Ltd. are Toxishield DB (Denatonium Benzoate), Toxishield DB - 25 IA and Toxishield DB - 25 PG. These chemicals are added to potentially dangerous products used in homes that when ingested can be harmful for human and animal health. These are added to prevent any accidental ingestion. Toxishield DB is the most bitter substance worldwide. These are added to cosmetics, detergents, automotive products, paints and other such products.