Soy sauce is a popular condiment made from fermented soybeans, wheat, salt and water. It is an essential ingredient in Asian cuisine, such as in stir-fry, marinades, and dipping sauces. However, there are various synonyms for soy sauce, depending on the region. In Japan, it is called shoyu, while in China, it is known as jiangyou. Tamari sauce, which is made without wheat, is a similar product and can be used interchangeably with soy sauce. Liquid aminos is a type of soy sauce substitute made from soybeans and is commonly used in health-conscious recipes. Coconut aminos is another alternative that is gluten-free and low in sodium.