See Labdoor.com and Consumerlab.com to verify supplement quality. There are some good meta studies on Omega-3s. Dr Bradley Stanfield[1] walks through Mayo Clin

See Labdoor.com and Consumerlab.com to verify supplement quality. There are some good meta studies on Omega-3s. Dr Bradley Stanfield[1] walks through Mayo Clinic meta analysis[2]. Rhonda Patrick[3] is the best resource for an interpretation of the data. TLDR; consume enough omega-3s (DHA/EPA) to get omega-3 index above 8.0. Discrepancies in research outcomes are attributed to study design, methodology of measuring intake, methodology of measuring blood. [1] https://www.youtube.com/watch?v=58RkZy6FEco&ab_channel=DrBradStanfield https://www.youtube.com/watch?v=58RkZy6FEco&ab_channel=DrBra... [2] https://www.mayoclinicproceedings.org/article/S0025-6196(20)30985-X/fulltext https://www.mayoclinicproceedings.org/article/S0025-6196(20)... [3] https://www.youtube.com/watch?v=XcvhERcZpWw&t=2108s https://www.youtube.com/watch?v=XcvhERcZpWw&t=2108s