Compositions, novel isolation sources and processes, and uses for unique policosanol containing compositions are disclosed. Seed and vegetable processing byproduct and/or "waste" streams are disclosed as containing policosanols with various relative amounts of the various long chain fatty/waxy alcohols. The policosanols are isolated and may be combined with other phytochemical/processing products, and are used in numerous food, beverage, health and/or nutraceutical applications.