See more examples of serving sizes in this infographic. Reviewed 12/23/2024 Sources EatRight.org. "Helping Kids Maintain a Healthy Body Weight: A Cheat Sheet for Success." https://www.eatright.org/health/wellness/weight-and-body-positivity/helping-kids-maintain-a-healthy-body-weight-a-cheat-sheet-for-success. EatRight.org. "Serving Size vs Portion Size: Is There a Difference?" https://www.eatright.org/health/wellness/nutrition-panels-and-food-labels/serving-size-vs-portion-size-is-there-a-difference. National Institute on Aging. "How Much Should I Eat? Quantity and Quality." https://www.nia.nih.gov/health/how-much-should-i-eat-quantity-and-quality. Related stories