Arnold Schwarzenegger arrives for the European Premiere of The Last Stand at a central London cinema in Leicester Square, Tuesday, Jan. 22, 2013.
Arnold Schwarzenegger arrives for the European Premiere of The Last Stand at a central London cinema in Leicester Square, Tuesday, Jan. 22, 2013. (Invision/Associated Press/Joel Ryan) (Joel Ryan)

Former California governor and bodybuilder Arnold Schwarzenegger is launching a new line of nutritional supplements in September. His Arnold Series supplements will focus on four areas: performance, power and strength, nutrient support, and recovery.

"I've been on a crusade to promote fitness for more than four decades," Schwarzenegger said. "That has led to the largest health and fitness convention in the world, six books, seminars all over the globe and visits to all 50 states as chairman of the President's Council on Physical Fitness." 

He's partnering with Denver-based MusclePharmCorp. Schwarzenegger said that after meeting with the MusclePharm team, learning about the company, and spending time with the founders, he knew they would be the perfect partners.

The series will be available domestically and internationally at health and nutrition stores as well as online retailers in September.