Coconut water is the clear liquid you find when you open a coconut. Fresh coconut water is commonly consumed in many tropical countries where coconut trees grow, including Indonesia and the Philippines. However, packaged varieties are now also widely available around the world.

To make coconut water, fresh green coconuts are harvested and drained. The liquid is also often pasteurized, which helps kill any bacteria and extend shelf life. Note that coconut water is different from other coconut products such as coconut milk, which has a thicker, creamier consistency, and coconut oil, a cooking oil made by pressing fresh or dried coconut meat.

In addition to serving as a refreshing alternative to plain water, coconut water is also rich in electrolytes such as potassium1. For this reason, it is often used to rehydrate, especially after exercise or any inclement weather.