Research Studies
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December 22, 2023

Tea Time Truth: Study Reveals Your Cup Could Be Brimming with Billions of Plastic Particles

Medically Reviewed by
Updated On
January 14, 2025

In a world where plastic is omnipresent, a surprising source of microplastic pollution has been unearthed: plastic tea bags. Picture this: as you steep your tea, billions of tiny plastic particles may be seeping into your cup. This revelation comes from a study that examined the release of microplastics and nanoplastics from plastic teabags during the brewing process. The findings are as eye-opening as they are concerning.

When a single plastic teabag is steeped at the usual brewing temperature of 95 °C (203 °F), it may release a significant number of microplastics and nanoplastics into your tea. These are specific types like nylon and polyethylene terephthalate, identified through sophisticated techniques like Fourier-transform infrared spectroscopy and X-ray photoelectron spectroscopy. This release is not just a drop in the ocean – it's several magnitudes higher than plastic levels previously found in other foods.

But what does this mean for us and the tiny creatures we share our planet with? The researchers took a step further to understand this by conducting an initial assessment on invertebrates. The result? These tiny plastic particles from teabags may cause dose-dependent behavioral and developmental effects in these creatures.

This study is a wake-up call. It shows how everyday items, as innocuous as a teabag, can be a hidden source of environmental pollution, raising questions about the safety and impact of such products. It nudges us to rethink our choices and underscores the need for more research into the implications of microplastics on health and the environment​.

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What Should You Do if You’re An Avid Tea Drinker?

There are two great options for you if you love your tea and don’t want to give it up:

  1. Several companies are aware of the microplastic situation and have created more natural (non-plastic) tea bags to address this issue.
  2. You can use reusable tea bags, usually made out of cotton or linen, and put in your own blend of loose leaf tea. In the same realm, you can also use a stainless steel strainer for loose leaf tea.

Can You Test For Microplastics in Your Body?

Lab testing for microplastics in the bloodstream is unfortunately not widely available or easily accessible. However, it is possible to test the body’s sensitivity to the chemical components of plastic, which can provide useful information to healthcare providers that they can use to personalize health strategies.

The LRA Environmental Chemicals Block 61 by ELISA / ACT Biotechnologies can detect an immune system response to components of plastic such as Vinyl Chloride, Dibutyl Phthalate.

How Can You Support Your Body's Natural Processes?

Plastics are typically processed in the body through a process called glucuronidation, part of the liver's Phase 2 detox pathway. A substance found in fruits and vegetables, Calcium D-Glucarate, can also be consumed as a supplement. This compound is known to play a role in the glucuronidation phase, suggesting that a diet rich in it might support the body's natural processes.

Eating a variety of whole foods, including cruciferous vegetables, berries, soy, garlic, and turmeric, is crucial for supporting these liver processes.

Specifically, Phthalates may be more effectively managed through sweating. Engaging in activities that induce sweating, such as exercising or using saunas, can be beneficial for this process.

Microplastics in Tea Bags: Key Takeaways

The discovery of microplastic contamination from plastic teabags in our tea is a significant environmental and health concern. It highlights the need for more conscious choices in our daily lives, like opting for natural or reusable tea bags. While direct testing for microplastics in the body remains a challenge, we can address potential impacts through dietary and lifestyle changes.

Foods rich in Calcium D-Glucarate and a diet emphasizing whole foods, particularly those aiding in liver processes, can help support the body's natural functions. Additionally, activities that promote sweating, such as exercise and sauna use, are beneficial in managing certain plastic compounds. This situation underscores the importance of continued research and public awareness about the pervasive issue of microplastics in our environment and food chain.

The information in this article is designed for educational purposes only and is not intended to be a substitute for informed medical advice or care. This information should not be used to diagnose or treat any health problems or illnesses without consulting a doctor. Consult with a health care practitioner before relying on any information in this article or on this website.

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Lab Tests in This Article

Christie, J. (2023, January 25). The health risk of plastics. Rupa Health. https://www.rupahealth.com/post/the-health-risk-of-plastics

Hernandez, L. M., Xu, E. G., Larsson, H. C. E., Tahara, R., Maisuria, V. B., & Tufenkji, N. (2019). Plastic teabags release billions of microparticles and nanoparticles into tea. Environmental Science & Technology, 53(21), 12300–12310. https://doi.org/10.1021/acs.est.9b02540

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