Fibre has replaced protein as TikTok health influencers’ macronutrient du jour, with “fibremaxxers” urging followers to pack as much roughage into their diets as possible. But is the sky really the limit? “In theory,” says Dr Emily Leeming, a dietitian at King’s College London and the author of Fibre Power (out in May): our ancestors may have eaten up to 100g of fibre a day, but that’s far beyond what most modern guts can tolerate. Fibre is found in nuts, seeds, leafy greens and beans, and can be taken as a supplement. The average Briton eats about 16g a day
Keir Starmer won’t quit as PM even if Labour suffers disastrous losses in local elections, says minister
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