Passion flower ( Passiflora incarnata ) or passion flower is a native plant considered useful for the temporary relief of excessive nervousness, anxiety, tension, convulsions, hysteria, insomnia, asthma, spasm-related disorders, and hyperactivity syndrome. Dosage 1-2 capsules daily, as needed.Warning Passion flower extract may cause drowsiness . If you are taking sedative medications, consult your healthcare provider. Nutritional Value & Ingredients 2 vegetable capsules provide on average: Passion Flower Extract (Passiflora incarnata) (Flowers and Aerial Parts) (min. 3.5% total flavonoids as Vitexin and Isovitexin) 700 mg