Check the listing for details. Swanson Chrysin Passion Flower Extract 30 Veggie Capsules. Condition: New. Listed at 14.69 USD. People all over the world are discovering the benefits of Chrysin, also known as Flavone X. In vitro research suggests that this unique flavonoid extracted from passionflower may promote overall health and wellness with its potential antioxidant properties. Other studies suggest a role in lean muscle maintenance. These two key findings have made it popular among fitness enthusiasts, athletes and older men looking to maintain youthful vigor. Our Chrysin Passion Flower Extract delivers guaranteed 5, 7-dihydroxyflavone (the chemical name for pure Chrysin) with patented BioPerine to enhance absorption.Chrysin Passion Flower ExtractFitness and antioxidant flavonoidHelps promote overall health and wellnessVegetarianPer GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.