What is guarana extract 22% caffeine?

Guarana extract 22% caffeine refers to an extract derived from the seeds of the guarana plant (Paullinia cupana), which naturally contains caffeine. The extract is standardized to contain 22% caffeine by weight, meaning that for every gram of guarana extract, approximately 220 milligrams of caffeine are present. Guarana extract is often used in dietary supplements and energy drinks for its stimulant properties and potential benefits for mental alertness and physical performance.