Phytochemicals - Otherwise know as phytonutrients, is a term that emphasizes the plant source of most of the protective, disease-preventing compounds. Phyto Nutrient classes include: Terpenes, Carotenoids, Phystosterols, Limonoids, Phenols, Flavonoids, Anthocyanidins, Thiols, Isoflavones, Indoles, Tocotienols and Tocopherols, Lipoic Acid.