Swiss Kriss Herbal Laxatives for constipation are formulated with natural active ingredients. Created with the gentle laxative effect of senna, anti-spasmodic benefits of calendula and caraway, anti-gas benefits of strawberry leaves and anise, relaxing benefit of peach tree leaves and natural flavoring of hibiscus flowers. Swiss Kriss has been in business for your good health since 1925 and gently relieving constipation for more than 95 years. It is the laxative people turn to more than 60,000,000 times a year (yes60 million!) for natural, gentle relief of occasional constipation.