Long before fibre became fashionable, Alana Macfarlane Kempner and her twin sister Lisa were trying to convince consumers that gut health mattered.

Recalling her teen years, Macfarlane Kempner recalls subsisting on Greggs sausage rolls and cigarettes. And today co-founder of The Gut Stuff Macfarlane Kempner has just seen her business acquired by Hero Group, the Swiss food company behind brands including Organix and Deliciously Ella.