Eating less protein may ‘slow’ ageing. But here’s why the evidence isn’t clear-cut

Alexander Spitari/Getty Protein powders. Protein yoghurt. Protein snack bars. Protein is everywhere. Supermarket shelves and social media are full of messages encouraging us to eat more of this nutrient. But now, a new review of over 350 studies suggests eating less protein may be linked to healthier ageing, by slowing down the biological process of ageing in cells. These messages can sometimes feel confusing. How much protein should you eat? Importantly, most of the evidence in the new review…