Effects of a Six-Day Whole-Diet Intervention on Taste Perception and Dietary Behaviour in Young Adults

This study aims to investigate the effects of a specific diet modification on the pleasantness, desire, and saltiness intensities of selected foods and an ad libitum breakfast buffet through a randomized controlled trial with three arms. Participants will be randomized to either increase, decrease, or make no change to their daily intake of foods with a specific taste for six consecutive days, and outcomes will be assessed at two time points, at baseline (Day 1) and after the intervention (Day 7), alongside measures of adherence to the assigned diet. Each participant will receive an instruction to modify specific aspects of their diets for six days. This study is crucial for addressing diet-related health issues such as obesity, diabetes, and hypertension in Malaysia. By providing robust evidence on the effectiveness of specific diet modifications, the study can inform public health policies, improve dietary recommendations tailored to Malaysian cultural preferences, and promote long-term benefits.

NCT Number	NCT07726394
Lead Sponsor	Sunway University
Conditions	Sodium Excess, Hypertension, Salty Taste
Enrollment	115 participants
Start Date	2026-04-01
Primary Completion	2026-07-31 (estimated)
Study Completion	2026-07-31 (estimated)
Updated on ClinicalTrials.gov	2026-08-11