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.