Vitamins are essential to normal bodily functions. Although they're not an energy source, vitamins can contribute to your recovery and to keeping you healthy during your training. There's nothing worse than being sidelined with a cold or falling victim to a chronic illness. A well-balanced diet rich in variety and color can provide ample supplies of vitamins including A, B complex, C, D, E, and K. But vitamin supplements are an acceptable backup to a balanced nutritional plan.
There's no proof that vitamin-loading will make you a super-triathlete. Your best bet is to get your vitamins from the foods you eat, rather than from chemical sources. Although taking a daily multivitamin does have studied health benefits, popping pills is not a substitute for a well-balanced diet.
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