GU ENERGY Gel, Lemon Sublime, 24-Count GU Original Sports Nutrition Energy Gel is the energy gel that started it all. In 1993, Dr. Bill Vaughn developed the world's first energy gel to help his daughter perform better during ultra-marathons, and GU has been helping to propel the world's most successful extreme athletes to success ever since. GU Energy Gel sustains all forms of athletic activity with a highly compact, portable, and calorie-dense packet that is loaded with carbohydrates that can be rapidly absorbed. Branched-chain amino acids limit muscle fiber damage and increase speed of recovery, and extra electrolytes help maintain water balance. Some flavors feature caffeine to increase concentration. While the original formula has been tweaked and evolved over the years, the end result is still the same: GU Energy Gels fuel the best endurance athletes in the world. GU Original Energy Gel comes in a wide variety of good tasting flavors. Each packet contains 450mg of Amino acids, 100 calories, and at least 21g total carbs. GU ENERGY Original Sports Nutrition Energy Gel, Strawberry Banana, 24-Count GU Original Sports Nutrition Energy Gel is the energy gel that started it all. In 1993, Dr. Bill Vaughn developed the world's first energy gel to help his daughter perform better during ultra-marathons, and GU has been helping to propel the world's most successful extreme athletes to success ever since. GU Energy Gel sustains all forms of athletic activity with a highly compact, portable, and calorie-dense packet that is loaded with carbohydrates that can be rapidly absorbed. Branched-chain amino acids limit muscle fiber damage and increase speed of recovery, and extra electrolytes help maintain water balance. Some flavors feature caffeine to increase concentration. While the original formula has been tweaked and evolved over the years, the end result is still the same: GU Energy Gels fuel the best endurance athletes in the world. GU Original Energy Gel comes in a wide variety of good tasting flavors. Each packet contains 450mg of Amino acids, 100 calories, and at least 21g total carbs.Product 2: Branched-chain amino acids to help decrease muscle damage and mental fatigue. Product 2: Use for training or racing take one packet 5 minutes before and every 45 minutes during activity. Product 2: Dual source energy from maltodextrin and fructose that use non-competing pathways for efficient absorption and lasting energy. Product 2: The Original Sports Nutrition Energy Gel designed to help athletes perform their best 100 calories and essential electrolytes in a portable packet. Product 1: Branched-chain amino acids to help decrease muscle damage and mental fatigue. Product 1: Use for training or racing take one packet 5 minutes before and every 45 minutes during activity. Product 1: Dual source energy from maltodextrin and fructose that use non-competing pathways for efficient absorption and lasting energy. Product 1: The Original Sports Nutrition Energy Gel designed to help athletes perform their best 100 calories and essential electrolytes in a portable packet.