Arterosil® HP is a proprietary blend of a rare seaweed and fruit and vegetable extracts to help support arterial and endothelial health.* The main bioactive component in Arterosil® HP is clinically researched rhamnan sulfate (as MonitumRS™), a polysaccharide (type of carbohydrate) extracted from a unique green seaweed, Monostroma nitidum, clinically shown to help support the integrity and normal function of the endothelial glycocalyx.* Arterosil® HP provides a novel approach in supporting the health of the arterial wall lining.* Recommended Use: Take 2 capsules per day with a meal or as directed by your health-care practitioner.