Caffeine-free refers to products that do not contain caffeine, a natural stimulant found in various foods and beverages, such as coffee, tea, and chocolate. Many people choose caffeine-free options to avoid the potential side effects of caffeine, which can include insomnia, increased heart rate, and anxiety. Caffeine-free alternatives are available for many popular drinks, including decaffeinated coffee and herbal teas. These options allow individuals to enjoy the flavors and rituals associated with their favorite beverages without the stimulating effects of caffeine.