GU Energy Labs | Tennis Express

Dr. Vaughan created the first energy gel over 20 years ago, and innovation is what drives Gu Energy Labs to keep creating tasty, nutritious products. Through scientific inquiry, the nutritionists at the Gu Performance Lab are constantly seeking a better understanding of human nutrition and how to best deliver products to help everyone perform better. GU energy gels deliver only the most essential carbs and amino acids in a simple, easy-to-digest form that won't upset your stomach. Keep things simple with GU and give your body what it needs, when it needs.