What is the best thing to eat before exercising for energy and endurance? You need quality carbs, lean protein, heart-healthy fats, and fluids. Your muscles rely on carbohydrate foods like breads, cereals, pasta, rice, fruits, and vegetables for quick energy.
For other uses, see IOS (disambiguation). iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod Touch.
Apple iOS. Related Terms. Apple's mobile operating system for its iPhone, iPad, iPod touch, Apple TV and similar devices. Apple iOS was originally called the iPhone OS but was renamed in 2010 to reflect the operating systemâs evolving support for additional Apple devices.