Slippery Elm Powder The inside of the bark from the slippery elm tree has been used for medicinal purposes for quite some time now. With a whole heap of reported uses such as fighting ITB, diarrhea, sore throats, coughs, bladder problems, urinary tract infections, and even expelling tapeworm. Organically grown with love in the USA Benefits of Slippery Elm Bark Powder A versatile herb, with some great main uses... Good against bladder problems Sore throats (Use a strong blend, steep for 5 to 15 minutes) Brewing Add one level teaspoon to hot water Stir until mixed thoroughly Drink twice a day for maximum effectiveness, or sip throughout the day to combat sore throats. Cautionary Though unproven, some say that you shouldn't take Slippery Elm when pregnant.Slippery elm contains a type of soft fiber called mucilage. Mucilage can decrease how much medicine the body absorbs. Taking slippery elm at the same time you take medications by mouth can decrease the effectiveness of your medication. To prevent this interaction, take slippery elm at least one hour after medications you take by mouth.