It is no longer appropriate to consider foods based on their nutrient and fiber content alone, but to also consider the spectrum of phytochemicals present. Leafy vegetables and other fruits and vegetables contain a mixture of compounds called "phytochemicals" which protect against a wide range of diseases.[more]

The rapid growth of the mineral supplement industry is due to the need for supplements in American diets lacking sufficient mineral content. . . [more]

In order for a plant to be a practical source of mineral supplements, it must be a recognized, edible species and capable of accumulating large amounts of minerals in its edible parts. [more]