How do you distinguish between a 'serving size' and a 'portion size' when counseling a client?

• A. Portion size is the amount eaten; serving size is the amount listed on the label.
• B. Portion size and serving size are identical.
• C. Serving size is the amount eaten; portion size is the amount on the label.
• D. Serving size is the amount on the Nutrition Facts label; portion size is the amount actually eaten; they may differ and affect intake.

Answer: (D)