Rhamnus purshiana as Cascara Sacred Bark Is scientifically known is a North American ‘Stimulant Laxative’. This excellent, gentle but resolute tea is suitable even for the elderly, but it is never a good idea to use for more than a week at a time. Thus stopping the body from becoming used to the external stimulation or causing dehydration and potential loss of electrolytes. Obviously do not take if you have ulcerative colitis, Crohn’s, appendicitis or other gastronomical disorders or any prescribed medications. The tea is quite bitter but does mix well with Liquorice root, helping to mask the taste. The bark also contains, Emodin, known for its anti-microbial, anti-bacterial, and anti-fungal properties. It has also been traditionally used for expelling parasites. Bacteria it has found to be effective against include, Helicobacter pylori, E coli, and strains of Staphylococcus aureus.
It goes without saying that if you're pregnant (or are under the doc for anything) caution should be exercised with herbal decoctions.
