"I take Stay Up all Day/Anytime Energy Boost about 7:30 a.m. and it is working well! It seems to prevent that 3-4 p.m. crash! Thanks again! " Dana S. / New York, NY Stay Up All Day is natural, maximum energy blend, designed to help keep you energized throughout your busy day! Whether you are looking for an afternoon pick-me-up, a late night wake up call or some "umph" in your workouts, Stay Up All Day/Anytime Energy Boost will give you the extra energy boost that everyone so desperately craves! Unlike energy drinks, Stay Up All Day/Anytime Energy Boost has no calories, no sugar, no jittery feelings and no crash after taking it. Try a month's worth of Stay Up All Day/Anytime Energy Boost in one small bottle and see what everyone is buzzing about! Stay Up All Day/Anytime Energy Boost Contains a Synergistic and Proprietary Blend Guarana (36% caffeine), Vitamin B12, Vitamin B6, Siberian Ginseng, Thiamin, Riboflavin, Niacinamide and L-tyrosine. 1 Capsule per serving. Try Stay Up All Day/Anytime Energy Boost today and you can STAY ENERGIZED ALL DAY!