Increasing Vegetable Intake by Emphasizing Tasty and Enjoyable Attributes: A Randomized Controlled Multisite...

Area of Science:

• Behavioral Economics
• Nutrition Science
• Food Choice Psychology

Background:

• Most consumers prioritize immediate taste over health benefits when selecting food.
• Traditional food labels often highlight health advantages, which may not align with consumer preferences.
• Understanding factors influencing food choice is crucial for promoting healthier diets.

Purpose of the Study:

• To investigate whether taste-focused food labels increase vegetable consumption compared to health-focused or basic labels.
• To examine the psychological mechanisms, such as taste expectations, underlying the effect of label types on food selection.
• To identify contextual factors, like recipe quality, that moderate the impact of taste-focused labels.

Main Methods:

• A large-scale, preregistered intervention was conducted across five U.S. university dining halls.
• Data were collected on 137,842 diner decisions over 185 days, involving 24 types of vegetables.
• Taste-focused labels were compared against health-focused and basic labels to assess vegetable selection rates.

Main Results:

• Taste-focused labels increased vegetable selection by 29% compared to health-focused labels and 14% compared to basic labels.
• Overall vegetable consumption also showed a significant increase.
• The positive effect of taste-focused labels was mediated by increased expectations of a positive taste experience.

Conclusions:

• Highlighting the enjoyable and tasty attributes of vegetables is an effective strategy to increase their intake in real-world settings.
• Taste-focused labeling can successfully compete with less healthy options by appealing to immediate consumer desires.
• The findings underscore the importance of sensory appeal in food marketing for public health initiatives.