Can PFAS in Swedish food exceed safe daily intake levels?
Yes. A 2025 study found PFAS in Swedish food at levels where regular consumption can push people above the European safety threshold.
What's actually in it
PFAS show up in food through contaminated water used in farming, PFAS-treated food packaging, and bioaccumulation in animals. Fish, eggs, and meat tend to have the highest levels because PFAS concentrate as they move up the food chain. Even drinking water can be a source in areas with contaminated groundwater.
What the research says
A 2025 study in Environ Pollut measured PFAS concentrations in food sold in Sweden and calculated population-wide dietary exposure. The researchers tested a wide range of food categories to estimate how much PFAS the average Swede consumes through diet.
They found PFAS in multiple food categories, with fish, shellfish, and eggs among the highest. When they added up the exposure from all food sources, a high portion of the population exceeded the European Food Safety Authority's tolerable weekly intake of 4.4 nanograms per kilogram of body weight.
Fish was the single largest dietary contributor, but the cumulative effect of PFAS from many food sources is what pushes people over the limit.
Vary your protein sources. Don't rely on fish as your only protein. Choose smaller fish species when you do eat seafood. Support local efforts to clean up PFAS contamination in water sources, which is the root cause of food contamination.
The research at a glance
| Study | Journal | Year |
|---|---|---|
| Per- and polyfluoroalkyl substances (PFAS) in food and exposure assessment of the Swedish population. | Environ Pollut | 2025 |
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