Does using plastic food containers lead to higher levels of PFAS in the body?

What's actually in it

Plastic food containers are often made with additives that can include PFAS (per- and polyfluoroalkyl substances). These are known as "forever chemicals" because they don't break down in the environment or your body. When you store your food in these containers, these chemicals can leach directly into what you eat.

The problem isn't just the container itself. It is the cumulative exposure from using these items every single day. Once these chemicals enter your system, they stay there, leading to higher serum levels over time.

What the research says

A 2026 study in Environ Res found a direct connection between the use of everyday products and higher levels of PFAS in the blood. The science is clear: your daily habits, including how you store your food, directly impact the amount of these toxic chemicals circulating in your body.

While other factors like drinking water also contribute to your total exposure, as shown in a 2026 study in J Expo Sci Environ Epidemiol, the use of plastic household goods remains a significant and avoidable source of contamination. We are essentially choosing to store our meals in materials that have been scientifically linked to higher body burdens of these harmful substances.