CONSTIPATION RELIEF - NATURAL DIGESTION - GASTROINTESTINAL - SOOTHING EFFECT Henry Blooms Herb-a-lax® capsules are a convenient, gentle, yet effective natural laxative which may also help relieve wind and bloating. Created using a special formulation of senna leaf, buckthorn bark, psyllium seed, dill seed and liquorice powder. Herb-a-Lax capsules contain psyllium for fibre, together with liquorice root powder which has a gentle soothing action on the bowel. Dill seed has a carminative action on the bowel and may help to settle intestinal distress.