this study was carried out on a sample of Egyptian consumers (300) in Giza governorate to investigate their behavior towards consumption of some functional foods, also this study aimed to investigate the effect of some factors that may affect consumption of this type of food. As for the sample under study according to gender, 53% of the sample are males and 47% are females. In regard to age, 9% of the total sample under study are under 20 years old, 20% lie between 20 – 40 years and 15% are more than 60 years old. Results showed the effect of income, educational status, family size and gender on the awareness of the consumers under study toward consumption of this kind of foods. The results were certified statistically towards the item of income, educational, family size, age, and not certified towards of gender. Also, results showed that media (especially T.V) is considered the main source of information about functional foods especially for illiterate and those who read and write, meanwhile reading and health professionals are considered the main source of information for those graduated and post-graduated class. Also, results showed that females are more aware by this kind of food compared to males. Results illustrated that large stores are the main source of getting this kind of foods especially dairy products low-calorie beverages and low-calorie bakery products. So, this study recommends taking measures towards improving consumer awareness towards the nutritional and medical importance of this kind of food through different sources of information especially media and taking measure to avoid misleading propaganda. Also, conducting more studies in this field especially from the economic point of view.