Schisandra 4 oz by Herb PharmWe prepare our Schisandra Extract from the ripe berries of Schisandra chinensis vines which are Certified Organically Grown without the use of chemical fertilizers, pesticides or herbicides. To assure optimal quality Schisandra berries, we directly purchase from China only berries that have been graded "1st Quality. " These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose, treat or