The final ingredient that is important to form testosterone But be careful when it comes to zinc get what your body needs and no more To much zinc will have a toxic effect Combining Primal Grow Pro and Power Muscle Blast Making Primal Grow Pro boost your levels of testosterone is the most important issue to Primal Grow Pro deal with But if you nitric oxide levels are low you are going to have a new problem with your muscle building You are not pumping adequate amounts of blood oxygen and nutrients out to your muscles Here it is a good idea to combine Primal Grow Pro and Power Muscle Blast to raise your nitric oxide levels well When you use Power Muscle Blast to take care of low nitric oxide levels you will improve your blood flow and expand your veins It will make it possible to pump more nutrients out to your muscles so they can recover and grow faster So using both Primal Grow Pro and Power Muscle .