Schwabe-PremHerb (30 tablet)PremHerb is a traditional herbal medicinal product used for the relief of the symptoms associated with premenstrual syndrome, exclusively based on long-standing use as a traditional remedy. PremHerb is one of the few natural remedies for PMS that contains agnus castus; each pharmaceutical grade coated tablet is foiled blister packed to retain its freshness and maintain its potency.