GSN Cascara Sagrada 60 tablets. The cascara sagrada has its habitat in the mountains of the Pacific coast of the United States and Canada. It is a tree or shrub with alternate leaves, ovate and acute, with small white flowers green. The parts used are the bark of the trunk and branches are dried for more than a year to achieve an optimal concentration of active ingredients. The majority of the active principle crust Sallowthorns anthraquinone compounds are: Cascaro, anthrone and anthraquinones emodin-free. It also contains tannins, mineral salts and bitter principles. Composition per tablet: Cascara Sagrada, bark (Rhamnus purshiana D.C. )............... 350mg SACRED SHELL tablets NSG, of rapid disintegration, contain no yeast, soy, sugar or salt and are made without preservatives, colorings or flavorings. Instructions for use: Take 1 or 2 tablets before bedtime.