John's wort, which purports to improve mood, were marketed as a dietary supplement.) The ADA recommends that current and future functional foods be labeled with information regarding any ingredient--whether it be nutrient (vitamins, minerals), phytochemical (chemical compound occurring naturally in plants), zoochemical
(pertaining to animals), or botanical (plant life)--used in marketing the product, along with the amount of that ingredient in an average serving.
Free radical scavenging properties of antioxidants like Beta-carotene, Lutein, Lucopene, Catachins, Cryptoxanthings, Zoochemicals
and various indoles and flavonoids.