Go natural with Modern Products Swiss Kriss Lax (1x3.25 OZ). For Gentle Natural Relief of Constipation Swiss Kriss (Senna) (Cassia Angustifolia) is used as a powerful cathartic in the treatment of constipation. These Swiss Kriss herbal laxative flakes are naturally different. Known world-wide as the smoothest most satisfying laxative Swiss Kriss flakes are 100 natural contain no harsh synthetic drugs effective ingredients consist entirely of Natures Own sun-dried leaves herbs and flowers. Swiss Kriss contains a blend of herbs and flowers that work in harmony with the body to relieve chronic or sporadic constipation and promote regularity without the side effects of synthetic laxatives.. This product ships in approximately 1 days