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Which of the following best defines the purpose of dietary supplements?

  1. To replace meals

  2. To enhance physical appearance

  3. To supplement the diet

  4. To provide entertainment

The correct answer is: To supplement the diet

The purpose of dietary supplements is primarily to supplement the diet by providing additional nutrients that may be lacking in a person's everyday food intake. This can include vitamins, minerals, herbs, amino acids, and other substances that can contribute to one’s overall nutritional status. The goal is to fill nutrient gaps or support specific health needs, rather than replace whole meals, which is the function of a balanced diet. Supplements are not intended to enhance physical appearance directly; while some may support skin health, muscle growth, or weight management indirectly, their primary role is nutritional support. The notion of providing entertainment does not align with the definition or intended use of dietary supplements, as they are not created for enjoyment but for health-related purposes.