Answer:
Vitamins are not a reliable source of immediate energy for working muscles. Vitamins are necessary for optimum health and for supplying energy for many metabolic processes, however they do not directly provide energy to muscles. The breakdown of glucose or glycogen, which is stored in muscle cells, is the main source of energy for muscle action. Although they are not an energy source in themselves, vitamins are essential for supporting the metabolic processes that turn glucose and glycogen into energy. Vitamin consumption must remain adequate to sustain healthy energy metabolism and overall health, but vitamins cannot take the place of the need for carbohydrates and other meals high in energy to power physical activity.
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