Are Environmental Toxins Lower in Wild-Caught or Farmed Fish?

Date: 2025-08-18 11:59:56

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The adverse effects of industrial pollutants in seafood may counteract the benefits of nutrients in fish. Which fish have the lowest levels of environmental toxins?

For more on what you might ingest when eating fish, see:
• How Much Microplastic Is Found in Fish Fillets? (https://nutritionfacts.org/video/how-much-microplastic-is-found-in-fish-fillets/)
• Lead Contamination in Fish and Game (https://nutritionfacts.org/video/lead-contamination-in-fish-and-game/)
• PCBs in Children’s Fish Oil Supplements (https://nutritionfacts.org/video/pcbs-in-childrens-fish-oil-supplements/)
• Prozac Residues in Fish (https://nutritionfacts.org/video/prozac-residues-in-fish/)
• Dioxins in U.S. Farm-Raised Catfish (https://nutritionfacts.org/video/dioxins-in-u-s-farm-raised-catfish/)

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-Michael Greger, MD FACLM

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