Functional foods are foods that provide health benefits beyond basic nutrition, while nutraceuticals are dietary supplements that are intended to be taken in addition to a regular diet.

Kale is a leafy green vegetable that is rich in vitamins, minerals, and antioxidants. It has been shown to have a number of health benefits, including reducing the risk of heart disease, cancer, and inflammation.

Nutraceuticals are dietary supplements that are intended to improve overall health and well-being. They may also be used to treat or prevent specific diseases, but this is not their primary function.

Green tea extract is a dietary supplement that is made from the leaves of the green tea plant. It has been shown to have a number of health benefits, including reducing the risk of heart disease, cancer, and Alzheimer's disease.

Functional foods are foods that naturally contain compounds that have health benefits beyond basic nutrition. Fortified foods are foods that have been enriched with nutrients that are not naturally present in the food.

Breakfast cereal is often fortified with vitamins and minerals, such as iron, calcium, and vitamin D.

Functional foods and nutraceuticals have been shown to have a number of potential health benefits, including reducing the risk of chronic diseases, improving immune function, and increasing energy levels.

Functional foods and nutraceuticals can have potential risks, including drug interactions, side effects, and nutrient imbalances. It is important to talk to your doctor before taking any functional foods or nutraceuticals.

When choosing functional foods and nutraceuticals, it is important to consider your health status, your dietary needs, and the quality of the product.

You can find information about functional foods and nutraceuticals from a variety of sources, including the internet, health magazines, and your doctor or dietitian.

The future of functional foods and nutraceuticals is bright. They are likely to become more popular as people become more aware of their health benefits. They may also be used to treat and prevent a wider range of diseases and become more affordable and accessible to people around the world.

Probiotics, prebiotics, and omega-3 fatty acids are all common functional food ingredients that have been shown to have a number of health benefits.

Prebiotics are non-digestible carbohydrates that help to improve digestion, boost the immune system, and reduce inflammation.

Salmon, tuna, and flaxseed are all good sources of omega-3 fatty acids.

The recommended daily intake of omega-3 fatty acids is 2-3 grams.