Does exposure to both microplastics and PFAS harm your kidneys more than either alone?

What's actually in it

Most people are simultaneously exposed to microplastics (from food packaging, seafood, tap water, and air) and PFAS (from nonstick cookware, food packaging, stain-resistant treatments, and water). These two types of contaminants reach your kidneys together, not separately.

Your kidneys filter blood and concentrate whatever's in it. Both microplastics and PFAS accumulate in kidney tissue. PFAS binds to proteins in the kidney. Microplastics trigger inflammation. When both are present, the damage compounds.

What the research says

A 2026 review in Front Physiol examined the individual and combined effects of microplastics and PFAS on urinary system health. The review found that combined exposure causes greater damage than either toxin alone — evidence of a synergistic effect where one makes the other worse.

Effects documented include oxidative stress in kidney cells, disruption of normal kidney filtration, and potential for chronic kidney disease progression. The authors called for urgent consideration of combined exposure in risk assessments, since current safety standards evaluate each chemical separately.

Use a whole-house or countertop water filter certified to remove PFAS. Swap nonstick cookware for stainless steel or cast iron. Reduce plastic-packaged food. See non-toxic kitchen alternatives for PFAS-free cookware options.