Cnp pre boost delivers a perfect balanced product to assist high intensity exercise it includes vinitroxtm an all natural grape and apple extract that has been shown to ignite a longer lasting muscle performance minimise fatigue and boost nitric oxide levels improving blood flow at the peak of an effective work out cnp have formulated pre boost so you dont have a crash a loss of appetite nausea or insomnia the serving size is small with no filler mixes easily and gives you a quick con