Approx 72% of our female consumers choose Go Fresh and 80% of our male consumers chose Go Sharp. This difference happens mainly because Go Fresh has Chaga-medicinal mushroom known as a great anti aging and immunity boosting remedy while Go Sharp has Cordyceps-medicinal mushroom known for endurance boosting ability and positive effect on sperm count and survival rate. Nonetheless there is no restriction why you should or shouldn’t chose either one. Our advice is to go through benefits section and choose which one suits your personal needs better. Both products have a lot in common and will be good for you either way.