HEALTHY DIET

This study aims to understand how ultra-processed foods affect energy metabolism compared to unprocessed foods. Healthy adults aged 18-60 will stay at a research center for four weeks, eating different diets each week. Researchers will measure how much they eat, their metabolic r…

This study will test whether putting warning labels on social media posts about ultra-processed foods helps teens and young adults understand what they are eating and whether they would buy those products. About 1,000 people aged 13-29 in the U.S. will view Instagram posts with o…

This trial investigates how well anthocyanins—compounds in blueberries linked to health benefits—are absorbed from two different forms: a blueberry extract confection and a whole blueberry powder confection. Healthy adults will consume each type and provide urine samples to measu…

This Stanford study tested whether showing health or climate labels on grocery products, along with swap suggestions, helps people pick healthier and lower-carbon foods. Over 1,200 adults completed online shopping tasks and surveys. The goal was to see if simple labels can guide …

This study looked at how healthy compounds (called polyphenols) from a carob drink get into the blood. Fifteen healthy men drank the beverage, and researchers measured the compounds in their blood and urine. The goal was simply to learn more about how the body processes these nut…

This study looked at whether a 4-week nutrition education program for parents could improve the body composition and athletic performance of 30 young basketball players aged 8 to 13. Parents learned about healthy eating, and researchers measured changes in the kids' lean body mas…

This study tested whether a full-service mobile market that sells affordable groceries (about 10% cheaper than stores) can improve diet quality and reduce food insecurity in low-income neighborhoods. Researchers enrolled 262 participants from 12 community sites, randomly assignin…