Tight! has a proprietary blend of over eight ingredients that support fat loss from every possible angle. The Synephrine, Sclareolide and Guggulsterones E & Z in Tight! increases resting metabolism, body fat breakdown and supports thyroid function, while the Yohimbine elevates mood, stamina and blood flow. Vinpocetine is also included to support blood flow and concentration, allowing you to stay alert, focused on your diet and motivated for your workouts. Tight! also has added Bioperine, a substance that significantly enhances the absorption of the nutrients. In conjunction with a reduced calorie diet and exercise, this comprehensive formula will help you lose body fat!