"caffeinated"的定义和意义

What is "caffeinated"?

Caffeinated refers to products that contain caffeine, a stimulant most commonly found in coffee, tea and cocoa beans. Caffeine affects the central nervous system, stimulating alertness and elevating mood. Caffeinated beverages like coffee and energy drinks cause increased mental clarity, wakefulness and boosted energy levels. However, consuming excessive amounts of caffeine can lead to adverse effects such as anxiety, irritability, abnormal heart rhythms and insomnia.The strength of a caffeinated product's effect depends on factors like caffeine concentration, metabolism, tolerance and total dose. For most adults, consuming up to 400 mg of caffeine or roughly 4 cups of coffee per day is considered safe.