A dad who suffered from bloating and sleepless nights says he feels ‘like a new man’ after overhauling his diet following a food intolerance test.

Paul Duplock, 44, spent years feeling lethargic and struggled to lose weight until he decided it was time to take action.

The accountant, who works at the bustling Smithfield Market in central London, took a test by Supply Life UK which detects food-specific IgG antibodies to 220 different foods. The test identified intolerances to cow’s milk,…