Tert-butylhydroquinone (TBHQ) is a synthetic food additive used as an antioxidant to extend the shelf life of processed foods. It is also commonly used in the cosmetic and pharmaceutical industries. However, since TBHQ has been associated with a number of health concerns, including allergic reactions, DNA damage and liver damage, many companies are now seeking alternatives to this compound. Some potential synonyms for TBHQ that are being explored include natural antioxidants such as rosemary extract, grape seed extract, and green tea extract, as well as other synthetic antioxidants such as BHA and BHT. While more research is needed to determine the safety and efficacy of these alternatives, they offer a promising option for those looking to avoid the potential risks associated with TBHQ.