ABSN 440 volt PWO is a high caffeine formula with Beta-alanine, L–Arginine, and vitamin B3. Vitamin B3 contributes to normal energy-yielding metabolism, as well as contributes to the reduction of tiredness and fatigue. As it contains caffeine so it is not recommended for children and pregnant women. This supplement contains permitted artificial sweeteners. 440-volt pre-workout contains a mixture of sucralose and acesulfame potassium. This mango orange-flavored health supplement is not for medical purposes. You have to take this supplement 60-90 minutes before the walk or the workout to take its full effect. As this contains caffeine, taking it late in the evening can affect your sleep, but it is very important to get enough sleep before any workout. These supplements are safe and beneficial to health.