Functional foods are foods that contain health-promoting ingredients or have been processed in a way that maintains or enhances their nutritional value. The categories of functional foods include whole grains, fruits and vegetables, dairy products, and protein-rich foods. Each of these categories offers a unique set of nutrients that can have a positive impact on health. And each of these categories also contains some of the best functional foods. So, let’s go on ahead and discuss the two different categories:

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Conventional
The term “functional foods” has become a popular way to describe foods that offer health benefits beyond basic nutrition. Functional foods are often fortified with nutrients or natural compounds that have been shown to have positive health effects. Some examples of functional foods include yogurt with live cultures, whole-grain bread, and green tea.
The term “conventional” functional foods refer to foods that have been traditionally considered to be healthful, such as fruits, vegetables, and whole grains. These functional foods are often rich in vitamins, minerals, and other nutrients that can promote health and prevent disease. Eating a diet rich in conventional functional foods is a good way to maintain good health and reduce your risk of developing chronic diseases.
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Modified
Functional foods are those that have been modified to have health benefits beyond the traditional nutrients they provide. Also known as “designer foods” or “nutraceuticals,” these special foods are designed to promote health and prevent disease. The term “functional food” is not regulated, so it can be used to call any food that has been modified to offer health benefits.
Modified functional foods are modified to have a specific health benefit. The most common modification is to add vitamins or minerals, but other changes include adding fiber or protein. Functional foods are becoming increasingly popular as people look for ways to elevate their health. While there are some benefits to eating functional foods, there are also some risks. It is important to do your research before adding any new food to your diet.