Allergy Research VascuStatin is an extraction from the leaves of the herb Convolvulus arvensis, commonly known as bindweed, and is rich in Proteoglycan mixture (PGM). In combination with proper nutrition, it has been shown to enhance the immune system´s ability to maintain good health. The bindweed contained in VascuStatin is grown in Wyoming and the toxic alkaloids are removed by a proprietary extraction process.Suggested Use:As a dietary supplement, 4 capsules one to three times daily, or as directed by a healthcare practitioner.Amount per serving:Serving Size: 4 capsulesServings per container: 30Ingredients: Field Bindweed (Convolvulus arvensis) (Leaves) Extract; 1000 mg Other ingredients: Gelatin, maltodextrin. Warnings: Contraindicated in conditions where vascular formations are desirable, i.e. heart disease, an active healing wound. Do not take for 2 weeks before and after surgery, or during pregnancy or lactation. Contraindicated for infants, children and adolescents.Use only under the supervision of a healthcare practitioner.This nutrient is of the highest quality and purity obtainable, and does not contain preservatives, diluents, or artificial additives.