How many plastic additives are you eating in your daily diet?

What's actually in it

Plastic additives are chemicals mixed into packaging, processing equipment, and food containers to make them flexible, heat-resistant, or durable. The most common ones include phthalates (softeners), organophosphate esters (flame retardants), and UV stabilizers. These chemicals aren't chemically bound to the plastic, so they leach into food over time.

They show up in everything from fresh produce (contaminated through plastic wrapping) to processed foods (from conveyor belts and machinery), dairy (from milking tubes and storage containers), and even tap water (from PVC pipes).

What the research says

A 2025 study in J Hazard Mater measured the actual concentrations of plastic additives in foods eaten by different population groups, including infants, children, and adults. The researchers tested a wide range of everyday food items and calculated daily dietary exposure for each group.

They found plastic additives in virtually every food category tested. Dairy, meat, and processed foods had the highest concentrations. The additives detected included both regulated chemicals and newer replacements that haven't been fully studied for safety.

Children had the highest exposure per kilogram of body weight, which makes sense because they eat more food relative to their size. Infants eating jarred or packaged baby food were also exposed through the packaging and lids of those products.

The study showed that while any single food might have low levels, the cumulative effect of eating plastic-contaminated food at every meal adds up. Reducing packaged food, choosing glass or stainless steel storage, and buying fresh over processed can lower your family's total exposure.