Optimum Nutrition's Marshmallow Crunch protein bar is designed to power you up. As #1 in sports nutrition, we understand that quality is vital, yet satisfying taste is essential. Each bar features 20g of high-quality protein, layers of white chocolate and marshmallow flavour crispies, and no added sugar*. Ideal for gym-goers and snackers alike, unleash more with Optimum Nutrition's protein bars.