Caffeine is generally not included on nutrition labels, while sodium, dietary fiber, and saturated fat are typically listed. The FDA does not require caffeine to be part of the nutrition facts panel, making it the correct choice in this question. Therefore, the answer is B. caffeine.
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Nutrition labels typically show the amount per serving for sodium, dietary fiber, and saturated fat, but caffeine is usually not listed. This is because caffeine is not mandated to be included in the nutrition facts panel by the FDA. Therefore, the correct choice for the question is caffeine. ;