That’s a great question. To start, Synergex 7 is based on proven science and made from only the most potent natural ingredients known to man. Synergex 7 works for almost everyone, but as you know, nothing works for 100% of people. And that’s why we provide you with a rock-solid 180-day satisfaction guarantee. That means if you change your mind and decide it’s not for you, simply contact our helpful customer service through this secure website 24 hours a day, 7 days a week and our friendly staff will gladly refund you, no questions asked.