The Commission E Monographs Approved Herbs with Similar Uses and Indications as Aloe Constipation Buckthorn bark Buckthorn berry Cascara Sagrada bark F.C.  of Senna leaf and Blonde Psyllium seed husk F.C.  of Senna leaf, Peppermint oil, and Caraway oil Flaxseed Manna Psyllium seed husk, Blonde Psyllium seed, Black Psyllium seed, Blonde Rhubarb root Senna leaf Senna pod