Purple Nut Sedge is known to boost the immune system and has been used to treat a range of infectious diseases, including tuberculosis, typhoid fever, and malaria. It is also known to have anti-allergic properties and is used to treat respiratory allergies and asthma. Powder, when boiled with milk and taken daily to both children and adults, helps to treat conditions like asthma, common cold, chest congestion etc.Purple Nut Sedge Powder is effective in getting the body rid of toxins and purifying the blood, thereby increasing the immunity power. Purple Nut Sedge is known to boost the immune system and has been used to treat a range of infectious diseases, including tuberculosis, typhoid fever, and malaria. It is also known to have anti-allergic properties and is used to treat respiratory allergies and asthma. is known to boost the immune system and has been used to treat a range of infectious diseases, including tuberculosis, typhoid fever, and malaria. It is also known to have anti-allergic properties and is used to treat respiratory allergies and asthma.