Dualtis 1000mg Soft Capsules Dualtis 1000mg Soft Capsules contain highly purified omega-3 polyunsaturated fatty acids & belongs to a group of so called reducers of cholesterol & triglycerides. Dualtis 1000mg Soft Capsules can be used: Together with other medicines for treatment after a heart attack. To treat certain forms of increased triglycerides (fats) in the blood after changes to the diet have not worked.