The first thing to ascertain is that they are both health products, which have a supplementary therapeutic effect on the relevant diseases, and the right medicine is still to listen to the doctor. The purity of fish oil, the higher the quality of the better, the more obvious its auxiliary effect. International authoritative medical journal "The Lancet" published on the 11,324 cardiovascular patients up to 3.5 years of research shows that 90% of the purity of OMEGA3 products can significantly reduce blood lipids. Clinical trials published in the U.S. medical journal PLEFA showed that 71% purity compared to 88.5% purity products, purity increased by 24%, the effect of lowering triglycerides increased by 5 times.