HealthKart Basics Caffeine is a pre-workout supplement formulated to boost the mental focus and endurance during high-intensity workouts. This supplement absorbs faster in the body and activates the central nervous system to boost energy for a better workout. It builds endurance and concentration to maintain a sharp focus on the workout. Other than a workout this caffeine might prove beneficial in providing relief from headaches and migraines. With its active enzymes Caffeine might also help in weight management. HealthKart Basics Caffeine is made using 100% vegetarian ingredients and comes in easy to swallow capsules.