Nutraceuticals are whole foods, food ingredients or supplements that have specific health or medical benefits. For example, they may prevent or treat specific diseases, which means that they have properties extending beyond simple nutritional functions.
Nutraceuticals can come from plant, marine, animal, and microbial sources. Specifically, nutraceuticals include whole foods, food additives, herbs, phytonutrients (nutrients found in the skin of many vegetables and fruits, as well as in grains and seeds), probiotics, and vitamin, mineral and herbal supplements.
Why are they good?
“Regular” milk and eggs are already important sources of protein and polyunsaturated fats or essential fatty acids (EFAs). Since the body cannot manufacture EFAs on its own, we must get them in our diet. And why should you care about EFAs? They are essential for rebuilding and producing new cells, they can reduce blood pressure, help prevent many diseases (including cancer, arthritis and cardiovascular disease), lower cholesterol, reduce the risk of blood clots, improve skin and hair, and more.