A source close to the star told the paper: “Simon was feeling a bit run down, so someone suggested he see a specialist about food tolerances.“As a result, he has cut out lots from his diet and the impact has been almost immediate. He has loads of energy.”
After following the plan - and quitting his sausage roll feasts - Simon has lost 7lbs and is said to feel re-energised.
They revealed: “He’s found it really tough to cut out a lot of things he used to love eating, like sausage rolls. “But he can’t believe the change it’s had in such a short space of time. He’s looking and feeling great at the moment, the best he has in years.Simon Cowell says it's like 'Ant McPartlin drama never happened' as he welcomes host back to BGT