1. a person who specializes in the study of nutrition and advises others about healthy eating

Examples

• The nutritionist recommended eating more vegetables and whole grains.
• She consulted a nutritionist to help plan meals for her diabetes.
• The school hired a nutritionist to improve the cafeteria menu.
• As a certified nutritionist, he educates clients about proper portion sizes.
• The nutritionist explained how different vitamins support immune function.
• Many athletes work with a nutritionist to optimize their performance.