LOS ANGELES (Reuters) - Joe Weider, the fitness and bodybuilding guru who built a magazine empire that included such publications as Muscle and Fitness, Shape and Men's Fitness, died on Saturday at age 93, his publicist said.

Weider, also known for creating the Mr. Olympia bodybuilding contest and mentoring a young Arnold Schwarzenegger, died of heart failure, publicist Charlotte Parker said.

(Reporting by Dan Whitcomb; Editing by Colleen Jenkins)