Final answer:
Percent Daily Values (PDVs) are based on a 2,000 calorie per day diet. These values help consumers understand the nutrient content of foods in the context of their total daily intake. Individual needs may vary, and it's best to seek personalized advice for specific dietary requirements.
Step-by-step explanation:
The student has asked which calorie level the Percent Daily Values (PDVs) are based on. Percent Daily Values are reference amounts of nutrients to consume or not to exceed each day and are used to advise the public on general nutritional requirements. These values are based on a 2,000 calorie per day diet. This standard is used on nutrition labels to help people understand how much of a given nutrient they're getting in the context of a total daily diet.
The PDVs provide a quick snapshot of a food's nutritional profile, allowing consumers to compare foods and make healthier choices. The 2,000 calorie-per-day diet is an average that accommodates many adults, although individual calorie needs can vary based on factors such as age, sex, weight, height, and physical activity. For specific dietary needs or restrictions, it's best to consult a healthcare professional or registered dietitian.