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Dietary Phytochemicals as Multi-Target Defenders Against Plastic-Associated Toxicity
Summary
Plastic chemicals like BPA, phthalates, and PFAS are everywhere in our food and environment, and they can mess with our hormones, cause cell damage, and affect reproduction and metabolism. This review of existing research suggests that plant compounds found in foods like berries, green tea, soy, and broccoli—polyphenols, flavonoids, and similar nutrients—may help the body defend against some of this damage by acting as antioxidants and supporting detox systems, though they don't reduce actual exposure to plastics. While more research is needed, eating a diet rich in these plant compounds, especially during pregnancy and
Plastic-derived chemical additives, including bisphenols, phthalates, perfluoroalkyl substances (PFAS) and microplastic-associated contaminants, are now recognised as widespread environmental toxins that measurably affect endocrine signalling, oxidative balance, inflammation and metabolic homeostasis. Continuous exposure through food contact materials, consumer products, and environmental media raises concerns about long-term health effects. An increasing number of epidemiological and experimental studies are linking these exposures to metabolic disorders, reproductive dysfunction, neurodevelopmental alterations, and increased disease susceptibility throughout the lifespan. This narrative review summarises the latest evidence on the toxicological mechanisms of these compounds, with a focus on endocrine disruption, redox imbalance, reproductive impairment, thyroid hormone dysregulation and epigenetic modifications induced by plastic-derived chemicals. Literature was identified through searches of major scientific databases, including PubMed, Scopus, and Web of Science. Reference screening was also employed to complement these searches and ensure comprehensive coverage of vertebrate and invertebrate models. The inclusion criteria encompassed studies published within the last 10 years, focusing on experimental, experimental, and translational research. The review evaluates phytochemicals such as polyphenols, flavonoids, isoflavones, catechins, sulforaphane, and chlorogenic acid as natural agents that can mitigate the biological effects of plastic-derived toxicants. These compounds exhibit antioxidant, anti-inflammatory, and receptor-modulating properties that counteract pathways disrupted by BPA, phthalates, and PFAS. Experimental studies have demonstrated that phytochemicals can modulate oestrogen receptor activity, enhance detoxification systems, reduce oxidative biomarkers and mitigate epigenetic and metabolic alterations induced by micro- and nanoplastics. Emerging nutritional evidence suggests that diets high in polyphenols may reduce the biological impact of plastic-derived contaminants within the body, rather than reducing exposure itself. This effect appears to be especially relevant during sensitive developmental periods, such as the prenatal, early postnatal and adolescent stages.