Both REDUCE-IT and STRENGTH recruited people with very high triglycerides and tested different formulations of omega-3 fatty acids, but the results were different. About 12% of the difference can be explained, noted Børge G. Nordestgaard, MD, DMSc, Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Copenhagen University Hospital, but 13% cannot be, given that REDUCE-IT had a 25% reduced risk of atherosclerotic cardiovascular disease.