Henry Blooms Herb-a-lax compounded herbs is a gentle, yet effective natural laxative which also relieve wind. Created using a special formulation of senna leaf, buckthorn bark, psyllium seed, dill seed and liquorice root powder. Psyllium provides a great source of fibre and together with liquorice root powder has a gentle soothing action on the bowel. Dill seed has a carminative action on the bowel and helps reduce digestive discomfort.