ajinamoto is a taste maker it also acts as a substitute for salt and sugar or both
Ajinomoto is a brand name for monosodium glutamate (MSG), a flavor enhancer commonly used in cooking. It consists of sodium and glutamate, an amino acid that occurs naturally in many foods, such as tomatoes and cheese. Ajinomoto enhances umami flavors in dishes, making them taste richer and more savory. While generally recognized as safe, some individuals may be sensitive to MSG and experience mild reactions.
Junk foods are those foods that have no nutritional value and cause rotten teeth and stuff. Like candy bars, potato chips, M&M's, lollipops, etc. Fast foods are foods like McDonalds, Taco Bell, Jack in the Box, Wendys, etc. which can lead to depression, mood swings and obesity if you eat nothing but that for an entire month