You’ve probably heard about microplastics…tiny plastic particles found in everything from bottled water to the food we eat. But what many people don’t know is how these invisible invaders might be silently triggering chronic inflammation in your body—especially as you age.
What are microplastics?
Microplastics are pieces of plastic smaller than 5 millimeters—about the size of a sesame seed or less. They come from larger plastic items that break down, or are added to products like toothpaste and cosmetics. And unfortunately, they’re now everywhere: in our oceans, air, soil, and even inside our bodies.
Why inflammation matters more as you age
After 50, your body becomes more sensitive to inflammation. This isn’t the helpful kind that fights off an infection or heals a wound—this is chronic, low-grade inflammation that lingers beneath the surface, quietly damaging cells, joints, and organs over time.
This type of inflammation has been linked to:
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Joint pain and stiffness
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Brain fog and memory loss
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Heart disease and high blood pressure
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Gut imbalances and poor digestion
Now here’s where microplastics come in...
Recent studies have shown that microplastics can irritate the gut lining, disrupt your natural immune response, and even interfere with your body's ability to detoxify. Scientists have found that when these particles enter the body (mostly through food, water, and air), they may:
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Trigger immune cells to overreact, releasing inflammatory chemicals
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Cause oxidative stress—another major driver of aging and disease
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Disrupt the balance of healthy bacteria in your gut
All of this sets the stage for ongoing, hidden inflammation that wears down your body over time.
What you can do about it
While it’s nearly impossible to avoid microplastics entirely, you can take steps to reduce your exposure and support your body’s natural defense systems:
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Filter your drinking water – Use a high-quality filter that removes particles as small as 0.1 microns.
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Avoid plastic containers – Especially when heating food or beverages.
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Eat more antioxidants – Foods rich in polyphenols (like blueberries, olive oil, and turmeric) help neutralize inflammation.
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Support gut health – A healthy gut barrier can help block microplastics from causing damage. Probiotics, prebiotics, and digestive enzymes can all help.
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Consider supplements – Certain ingredients like PEA (palmitoylethanolamide), curcumin, or omega-3s are shown to calm inflammation and protect cells from stress.
Aging Isn’t the Problem. Chronic Inflammation Is.
You can't control every toxin in the world—but you can control how your body responds. By staying ahead of inflammation, you protect your joints, your mind, your energy—and the freedom to keep doing the things you love.
Sources:
Yong, C. Q. Y., et al. (2020). Toxicity of microplastics and nanoplastics in mammalian systems. International Journal of Environmental Research and Public Health, 17(5), 1509. https://doi.org/10.3390/ijerph17051509
Prata, J. C., et al. (2020). Environmental exposure to microplastics: An overview on possible human health effects. Science of The Total Environment, 702, 134455. https://doi.org/10.1016/j.scitotenv.2019.134455
Hirt, N., & Body-Malapel, M. (2020). Immunotoxicity and intestinal effects of nano- and microplastics: a review of the literature. Particle and Fibre Toxicology, 17, 57. https://doi.org/10.1186/s12989-020-00369-w
Leslie, H. A., et al. (2022). Discovery and quantification of plastic particle pollution in human blood. Environment International, 163, 107199. https://doi.org/10.1016/j.envint.2022.107199