Lime juice is the juice extracted from limes that are native to Asia. It has a sharp, tart, and slightly sweet flavor that is perfect for adding a burst of flavor to a variety of dishes, from cocktails and marinades to dressings and sauces. Lime juice is also a popular ingredient in Mexican, Caribbean, and Asian cuisine, and it is often used to add a tangy flavor to grilled meats and seafood. It is a good source of vitamin C and other nutrients, and it has been used in traditional medicine for centuries.