Fat burners Do Not Impair Whole-body Fat Oxidation During Moderate-intensity Exercise in Adults.
Some lipid-lowering agents, for example, nicotinic acid, caffeine and fibrates, decrease an individual’s ability to oxidize fat during exercise. However, it is unclear whether fat burners affect whole-body fat oxidation during exercise in athletic. Whether fatty acid oxidation is impaired in an active exercise population, while walking at a moderate intensity
Analysis of respiratory data indicated a progressive increase in fat oxidation over time, along with a decrease in carbohydrate oxidation, for all athletes during exercise, in both the absence and presence of a statin (fat burner agent).The increase in the percent of energy derived from fat was further supported by the observation of a significantly progressive increase and free fatty acids during the exercise period. However no significant difference in the extent of change was observed when comparing the respiratory and biochemical response to physical activity in the absence and presence of a commercial fat burner.
There is evidence of a negative impact of commercial fat burners on the ability to use fat as a fuel for moderate-intensity cardio-vascular exercise. Given the importance of physical activity, this result encourages patients to exercise by exercising regularly, with the confidence that substrate metabolism is unaltered in the presence of this class of lipid-lowering drug.
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