This Week In Wellness a systematic review and meta-analysis of 38 randomised control trials controlled trials of omega-3 fatty acids has shown that the fatty acid improves cardiovascular outcomes.

The study, published in eClinical Medicine showed a greater reduction in cardiovascular risk when supplementing with EPA alone rather than combined EPA and DHA supplements.

https://www.sciencedaily.com/releases/2021/07/210708083854.htm

https://www.thelancet.com/journals/eclinm/article/PIIS2589-5370(21)00277-7/fulltext

https://bmcmedicine.biomedcentral.com/articles/10.1186/1741-7015-11-5