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From Fellrnr.com, Running tips
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Vespa Gels claims to improve endurance performance by improving fat burningrather than providing fuel like [[Comparison of Energy Gels| other gels]]. However the science does not seem to back this up, with no human studies that show improved endurance. The few animal studies that exist generally use vastly higher doses, the equivalent of 100-500 packets of Vespa gel. So why does Vespa seem so popular with top ultra-endurance athletes?
=Background=
At 2 inches (50mm) long, the [http://en.wikipedia.org/wiki/Asian_giant_hornet Asian giant hornet] is the largest of the hornets and is able to fly long distances. These giant hornets consume only a liquid diet of 43% carbohydrate and 57% amino acids<ref name="TakashiYoshiya1991"/>. The amino acid mixture that these hornets consume is often referred to as VAAM (Vespa Amino Acid Mixture) and marketed as two products: