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⚕️ MEDICAL DISCLAIMER: This article is for informational and educational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider before making any changes to your health regimen, diet, or supplement use, especially if you have existing medical conditions or take medications. The information presented here should not be used to diagnose, treat, cure, or prevent any disease.
Microplastics aren’t inert plastic fragments. Many studies have shown that they can carry chemicals, either as part of their own composition or picked up from the environment. These microplastic chemicals, once inside the body, can release these chemical toxins. These microplastic chemicals can react and cause potential health effects.
Let’s break down exactly what chemicals microplastics carry, how they’re released, and why scientific findings suggest that this could be a population-level health concern.
Most microplastics come loaded with additives like plasticizers, stabilizers, pigments, flame retardants, and solvents. These compounds leach out over time, especially when exposed to heat, sunlight, or physical stress [2–5]. Common culprits include bisphenol A (BPA), phthalates, organotin compounds, and brominated flame retardants—all of which are linked to endocrine disruption, immune dysfunction, and cancer [2–4].
Even “biodegradable” microplastics are chemically active. They often contain residual monomers and breakdown products that can be just as harmful as their synthetic counterparts [3,4]. Disposable face masks have emerged as a new source of microplastic contamination, leaching bisphenol B and sulfosuccinates into surrounding air and water [6].
Weathering can also make microplastic particles more harmful to our cells. UV rays, heat, and friction accelerate chemical release, especially from stabilizers and solvents that are loosely bound to the polymer matrix [7].
In addition to being made of endocrine disrupting chemicals, microplastics can pick up harmful chemicals from the environment. Microplastics can act like chemical sponges, adsorbing heavy metals, pesticides, persistent organic pollutants, pharmaceuticals, and polycyclic aromatic hydrocarbons [2,8,10,11].
Environmental conditions like temperature, pH, and ionic strength influence how tightly these pollutants stick. For instance, acidic conditions can cause “forever chemicals”, or PFAS, to bond more aggressively with certain plastic surfaces [1]. Additionally biofilms, colonies of microorganisms that grow on microplastics, can also alter how these particles interact with surrounding toxins [4].
Ultimately, microplastics can carry endocrine disrupting chemicals, heavy metals, “forever chemicals”, and harmful organisms to enter our bodies and potentially cause harm.
Microplastics degrade slowly, but when they do, they release even more chemicals. Mechanical stress, sunlight, and bacterial enzymes break them down into nanoplastics and free-floating monomers [1,11]. These fragments have different chemical profiles and greater surface areas, making them more reactive and harder to filter out of biological systems.
For example, polystyrene breaks down into styrene monomers, which have known neurotoxic and endocrine-disrupting effects [11]. As plastics age, their surface charge changes, which increases their ability to bind metals and other pollutants in the environment [12,13].
The chemicals released by microplastics wreak havoc at the cellular level. They induce oxidative stress, trigger chronic inflammation, damage DNA, and disrupt the gut microbiome [14–17]. These pathways are directly associated with aging, cancer, metabolic disorders, and immune dysfunction.
Endocrine disruption is one of the biggest concerns. BPA and phthalates mimic hormones and interfere with estrogen and testosterone signaling [2,17,24]. This has downstream effects on fertility, puberty, and even fetal development [17,19,20].
Toxicants from microplastics can also accumulate in organs. They’ve been detected in liver, kidney, and cardiovascular tissues, where they promote fibrosis, atherosclerosis, and systemic inflammation [14,21–23].
Some additives and absorbed pollutants may even increase the risk of carcinogenesis particularly through genotoxic effects and prolonged oxidative stress [14,18].
Microplastics can carry a wide range of chemicals. For example, Bisphenol A (BPA), mimics estrogen and interferes with hormone signaling [2]. Align with BPA, microplastics may have phthalates, which disrupt testosterone production and sperm development [2, 24]. Heavy metals may also bind to microplastics, including lead, cadmium, and mercury [8]. Forever chemicals, PFAs, may also enter the body with microplastics and can accumulate in human tissues [1]. Other chemicals include PAHs and PCBs, which are known carcinogens with immunotoxic and neurotoxic effects [8,11]. Lastly, degraded polystyrene microplastics turn into styrene, which is linked to neurotoxicity and endocrine disruption.
Each of these chemicals has independently documented health effects. Together, they form a chemical cocktail capable of overwhelming natural detoxification pathways.
There is more and more evidence to support that microplastics and the hormone-disrupting chemicals that they carry can cause long-term health effects. Therefore, the importance of finding ways to lower your exposure, ensure microplastics pass through, and reduce their metabolic byproducts continues to increase. While it’s extremely difficult, if not impossible, to avoid microplastics entirely, there are many small, simple actions that you can take each day to lower the amount of microplastics you consume. This is why we developed the Deplasto platform.
Our platform, consisting of supplements, a microplastic intake calculator, and lifestyle recommendations is intended to help you avoid microplastics. Our supplement is formulated to support your body’s natural detoxification defenses, including oxidative stress management, cellular repair, and antioxidant support. Our microplastic intake calculator is designed to show you an estimate of your daily exposure, with every datapoint backed by scientific studies, to help you understand how you can best avoid microplastics. Lastly, given that it’s nearly impossible to completely avoid microplastic exposure, we have a plethora of lifestyle recommendations designed to help you make small changes for big impacts.
Overall, we believe that the best way to eliminate microplastics begins with you and the changes you make to your daily life. Over time, collectively, we can make a significant difference.
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