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What are postbiotic supplements – and do you really need them?

By Rachel Woods, Senior Lecturer in Physiology, University of Lincoln

You will likely have heard of probiotics. These are live microorganisms that, when consumed in sufficient amounts, can benefit health. They occur naturally in foods such as yoghurt, kefir, kimchi and sauerkraut and are also sold as supplements.

You may also know that for these probiotics to thrive, they need to be fed. That food comes in the form of prebiotics, which are non-digestible fibres found in everyday foods such as…

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