Ajinomoto Monosodium Glutamate is a seasoning product commonly used to enhance the umami flavor of various dishes. The 72g package is a common size sold in many markets. Monosodium glutamate (MSG) is a flavor enhancer that is derived from glutamic acid, an amino acid found naturally in many foods such as tomatoes, cheese, and meat. To use MSG, it can be added directly to food while cooking or sprinkled on top of a finished dish for additional flavor. It can be used in a variety of dishes such as soups, stews, stir-fries, marinades, and sauces.