Spark Pre-workouts all natural ingredients allow it to have a powerful effect without the dreaded come-down of common synthetic pre-workouts. As well as promoting nitric oxide and vasodilation, Arginine and Beta-Alanine increase blood flow and muscle carnosine levels. Creatine and Guarana boost energy (ATP) and add intensity to your workout. BCAAs may assist in recovery and muscle growth while Taurine can assist with skeletal muscle function and reduce cramping. It contains zero artificial colours, flavours or sweeteners. Comes in a light and refreshing crisp green apple flavour with a slightly tangy sweetness. Available in a pack of 16 each of 15 g.