Are oil-coated nanoplastics causing intestinal damage?

What's actually in it

Nanoplastics are tiny pieces of plastic that are small enough to enter your body. When these particles are coated in oil, they become even more dangerous. This happens because the oil helps the plastic stick to your cells and get inside them more easily.

These particles are often found in food storage containers and kitchen tools that have been damaged or heated. Once they enter your gut, they don't just pass through. They interact with your cell membranes, causing physical damage that your body struggles to repair.

What the research says

A 2026 study in Adv Sci (Weinh) found that oil-coated nanoplastics trigger rapid membrane disruption and severe intestinal injury. This means the plastic literally tears apart the lining of your gut.

Other forms of plastic debris are just as concerning. A 2025 study in J Hazard Mater showed that PTFE (the chemical used in nonstick coatings) creates oxidative stress and damages the mitochondria, which are the power plants of your cells. This leads to genotoxicity, which is damage to your DNA.

The damage isn't limited to the gut. A 2026 study in J Environ Manage found that Bisphenol P, a chemical related to BPA, disrupts the gut barrier and triggers liver injury. Additionally, a 2026 study in Part Fibre Toxicol showed that polystyrene nanoplastics make existing health issues worse, such as accelerating the formation of kidney stones.