Senna Pods Used as a Laxative boiled in hot water as a tea. Can destroy worms and other bacteria. This is an all natural herb made as a tea.They’re the seed pods of the senna plant. Herbalists and natural doctors recommend this as a supplements to treat mild cases of constipation. You should, however, take precautions when you use any laxative to treat constipation. Speak with a medical professional prior to consuming any laxative even though they are available over-the-counter.