Prorietary extract blend: Burdock seed (Arctium lappa) 1 2 Burdock root (Arctium lappa) 1 Potency: Dry herb / menstruum ratio: 1 : 4.5 Description: 1 Certified Organically Grown 2 Sustainably Wildcrafted To assure optimal potency, we harvest roots from first-year plants, and seeds from fully matured second-year plants. These are each extracted separately according to their individual biochemistry and are then blended together to produce our Burdock Blend. Weight (lbs): 0.20