GU Energy Single Serving Gel
GU is simple. Simple is fast. Simple to take, simple to digest, GU Energy Gel provides just what you need for premium exercise fuel and none of the extras that slow you down. GU takes you where you want to go, fast.
Launched in 1991, the world's first energy gel is still the most efficient sports fuel available today. GU's carbohydrate blend delivers high-quality, easily-digested and long-lasting energy for athletes in every sport and at all levels.
What's in it?
This is the brand I always use to run a 60 mile MTB marathon in Juarez (Mexico) -Chupacabras 100 km. I've run it for 6 years now and this brand is always in my back pocket, nice taste for me even when they get really hot. They have worked well for me so I do recommend them.