To lose fat without losing muscle, you need to eat a high-protein diet while staying in a gentle calorie deficit, trainers told Business Insider.Cavan Images/Getty Images/Cavan Images RF If you want ...

A man, 34, shared his daily diet with Business Insider for help with building muscle and losing fat. A registered nutritionist and personal trainer, Jamie Wright, said he could take two approaches.

Chris Bumstead, a bodybuilder, built his career on an athletic physique and a record-setting number of titles. For muscle, he recommends cycling heavy and light weights. Diet is key: Bumstead uses ...