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.
Basic Explanation of iOS. Most information online is very technical. The goal of this website is to explain what iOS is in layman's terms and ultimately define for the layperson the meaning of iOS. In order to really know iOS one must first understand what it is.