Nutricost Passion Flower Extract has the equivalent of 1,500mg of Passion Flower in every serving. One serving is just one easy to swallow capsule. Every bottle of Nutricost Passion Flower Extract has 120 capsules, so one bottle will last 4 months if taken according to recommended dosage. It is gluten free, soy free, non-GMO, and vegetarian friendly. This product is manufactured in a GMP compliant, FDA registered Facility.