Some research shows that certain herbs (such as cascara sagrada, rhubarb, and aloe) may help ease constipation. (verywellfamily.com)
In phase one, cascara sagrada bark stimulates the large intestine and increases function of the liver and gall bladder. (colonzone.org)
«Herbs to use include diuretics like cleavers and dandelion for the kidneys, bitters like golden seal, and laxatives like cascara sagrada and yellow dock for the digestive system, diaphoretics like cayenne and yarrow for the skin and expectorants like comfrey and licorice for the lungs.» (resetyourweightbasics.com)