Food additives / flavor enhancers are used in foods to enhance the existing flavour in the food. Mono-sodium glutamate is an example of a flavour enhancer. Salt is commonly used as a flavour enhancer for food and has been identified as one the basic tastes.

Flavour Enhancers modify flavours in the food without contributing to any significant flavour of their own. Controlled quantities of these is safe but if ingested in large quantities, they may lead to health problems.