Proanthocyanidins is strong chelates that can defend human resistance unstable metal, so that they are oxidized damage contributed to the harmful free radicals. It exists in many plants, particularly in the pine bark, grape seed and grape skin. Hill Kuwako like other small Raspberry, Heiculi oil, coffee, tea and other plants. This category also contains flavonoids (flavonides). Common nutritional supplements, proanthocyanidins a considerable number of sources and types. Plants derived from different sources, either alone or mixed with other nutrients comprehensive prescription, herbal extract, capsules and spindles agent type. Package: cardboard drums, with double aseptic food poly bags inside. Or by cartons, with vacual aseptic food poly bags inside, 20kgs per carton with 8 bags inside,2.5kg per bag.