**16. Conclusion**

Functional food components are important compounds available in a variety of fruits, vegetables, and some animal products. They are also manufactured commercially. They have several health benefits for the human body. Many functional food components are antioxidants rich and help to neutralize free radicals, prevent cell damage, and reduce non-communicable diseases, such as cancer, diabetes, heart diseases and maintain health properly. To optimize health benefits and bioavailability of functional food components in the human body are critical factors. To maintain the levels required in the human body need an adequate amount of these components. Recent information in this regard is not sufficient. Therefore, need to provide more information to consumers to guide them effectively so that they can choose diets that contain adequate levels of health-promoting functional food components.
