By possibly decreasing blood sugar and reducing fat storage in the body, Hydroxycut^® may help people lose weight. Although it is not entirely clear as to how Hydroxycut works (or if it is safe), some small studies have shown that certain ingredients in the supplement may help with weight loss. There are several different formulations of Hydroxycut, each of which contains a number of different active ingredients. There are some potential side effects of the supplement, such as insomnia, a rapid heart rate, and nervousness. It is important to seek immediate medical attention if you believe you have overdosed on Hydroxycut.