Helping Educate and Advance Learning Through Healthy Bite-Sized Eating Strategies

The goal of this clinical trial is to compare the effectiveness of a mobile health intervention in adolescents (14-17 years) with overweight or obesity. The main question\[s\] it aims to answer are: 1) is a digital-based diet quality intervention for adolescents with overweight or obesity feasible and 2) is there preliminary effectiveness in improving diet quality? Participants will: 1. Complete three-day 24-hour dietary recalls 2. Collect urine samples 3. Wear a continuous glucose monitor, sleep tracker, and physical activity tracker Researchers will compare control and intervention groups to see if diet quality and meal timing traits improve as assessed by 24-hour dietary recalls, a novel urine biomarker, and continuous glucose monitoring (CGM).