Pale yellow granules of MSG, salt, sugar and chicken fat or flavouring, with a light chicken taste. It is used like MSG to make dishes and soups more savoury, and is very salty, with about twice the sodium of soy sauce.
Many households now use chicken bouillon instead of MSG.
Tips
usage
On the mainland 鸡精 is a granulated savory seasoning (MSG base + chicken extract + other flavorings). In Taiwan the same term often refers to a concentrated chicken-essence tonic drink, marketed for recovery and health. Read the packaging, not the label.