Black rice vinegar is a type of vinegar made from fermented black rice, a staple in many Asian cuisines. It has a dark color and a rich, slightly sweet flavor, making it a popular ingredient in dressings, marinades, and dipping sauces. This vinegar is often used in Chinese and Japanese cooking, where it adds depth to dishes like stir-fries and sushi. It is also known for its potential health benefits, as it contains antioxidants and may aid digestion. Black rice vinegar can be found in most Asian grocery stores and is gaining popularity worldwide.