Optimum Nutrition Serious Mass high-protein Grenade Carb Killa Bars meets

Grenade Carb Killa Bars meets these demands and more

* Chamomile (flower)Extract (Std

Nitric Oxide

stabiliser (E414)

250mg Caffeine

Optimum Nutrition Serious Mass high-protein Grenade Carb Killa Bars meetsOptimum Nutrition Serious Mass is the ultimate weight gain high calorie protein and carb formula. With over 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantised powder supplement makes a sizable post workout and between meals supplement shake. Optimum Nutrition Serious Mass gives you the tools you need to pack on pounds and when coupled with serious weight training develop your physique to the fullest. Optimum