Krill oil is used as preventative measures for conditions such as: heart disease, high triglycerides, high cholesterol, high blood pressure, stroke, cancer, osteoarthritis, depression, PMS, and painful menstrual periods.How does it compare to Fish Oil?1.) Less fishy aftertaste2.) Smaller capsules3.) Contains Astaxanthin and Choline4.) It's more bioavailable than Fish Oil because Krill Oil Omega 3s are bound in phospholipids, whereas Fish Oil Omega 3s are bound in triglycerides.