The hidden microplastics in your favourite teabags: Many of the popular brands contain dangerous particles.

Today we are sharing some concerning information and the latest research about microplastics in popular teabag brands, which we believe is highly relevant to our work at Friendly Water, as we are dedicated to providing safe, clean drinking water to homes and businesses.

A recent analysis by Which? revealed that many popular UK tea brands, despite labeling themselves as "plastic-free," actually contain microplastics. Out of 28 brands examined, only four were genuinely plastic-free: Dragonfly, Twinings (string and tag only), Hampstead, and Pukka.

Brands like PG Tips, Tetley (especially herbal teabags with conventional polypropylene plastic), Typhoo, Yorkshire Tea, Teapigs, Brew Co, Good Earth, Aldi, Asda, Lidl, M&S, Morrisons, Sainsbury's, Tesco, and Waitrose own-brand teabags were found to contain polylactic acid (PLA). While PLA is plant-derived and biodegradable under specific conditions, it is still a plastic that breaks down into microscopic particles, which can then enter the bloodstream.

Even more concerning, research suggests that the heat from a hot cup of tea can cause these PLA particles to break down into even smaller, more easily absorbed, and potentially more toxic fragments. This means a significant number of popular teabag brands could be exposing consumers to a steady stream of microplastics.

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Previous studies have linked microplastic exposure to oxidative stress, cellular and tissue damage, inflammatory responses, and gut microbiome disruption. Early research on PLA specifically has shown it can trigger intestinal damage, oxidative stress, DNA damage, and metabolic disturbances in the liver in animal testing.

Given our expertise in water treatment, this information reinforces the importance of our mission. As water treatment experts, we recommend reducing microplastic exposure by avoiding plastic water bottles and switching to filtered tap water at home. A home RO water filter, in particular, can remove microplastics and other contaminants from tap water, making it safer for drinking and for preparing tea and coffee. 

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Contact our friendly team today for a free advice on the best water filter for your home or business: 01932 245 200.