AngioBlock is a water extract of the leaves of the herb Convolvulus arvensis, commonly known as herbaceous, and is rich in PGM proteoglycan mixture. The Jordan in AngioBlock is grown in Wyoming, and the toxic alkaloids are removed through a proprietary process. This nutrient is of the highest quality and purity available, and contains no artificial preservatives, diluents or additives. Recommended use as a nutritional supplement Take 4 capsules one to three times a day. Sensitive people may want to start with a lower dose - or according to the instructions of the attending physician.