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The Lactate Shuttles
Among the more interesting features of lactate discovered by recent research is the peroxisomal lactate shuttle, which can provide addition energy for endurance. While about 90 percent of certain fats are burned in the aerobic muscle’s mitochondria, 10 percent are burned in other areas called peroxisomes—tiny enzyme-containing components in the muscle. The purpose of this process is thought to be the preparation of fats for burning in the mitochondria. This is a significant amount of potential energy from fat burning that lactate provides. In addition, this energy helps with other important bodily processes such as bile production and cholesterol regulation.