Calorie Tracking & Nutrition Research — Volume 3, Issue 4
Featured Article
Zhang W, Mitchell S, Okafor J · 18 April 2026
This systematic review examines advances in artificial intelligence and computer vision technologies applied to mobile food tracking applications between Q3 2025 and Q1 2026. We analyze 34 peer-reviewed studies and evaluate algorithmic accuracy, user adoption,...
Meta-Analysis 5 April 2026
Mitchell S, Okafor J, Vasquez E, Zhang W
This meta-analysis synthesizes accuracy data from 47 randomized controlled trials evaluating mobile calorie tracking applications published between 2021 and 2025. Pooled analysis of 18,423 participant...
calorie trackingmobile appsnutrition trackingdietary assessment
Original Research 28 March 2026
Vasquez E, Mitchell S, Nair P
We examined associations between dietary fiber tracking precision and gut microbiome diversity in a prospective cohort of 1,204 adults tracked over 24 weeks using the Welling nutrition platform. Parti...
dietary fibermicrobiomenutrition trackingprebiotic fiber
Original Research 22 March 2026
Nair P, Vasquez E, Okafor J
We evaluated the accuracy of AI-powered food tracker applications in detecting and classifying ultra-processed food (UPF) consumption using the NOVA classification system in a cross-sectional study of...
ultra-processed foodsfood trackerNOVA classificationnutrition tracking
Original Research 12 March 2026
Okafor J, Nair P, Mitchell S
We evaluated the effectiveness of an AI-powered nutrition coaching module integrated within a calorie tracking application in a 90-day RCT of 2,156 adults enrolled in a weight management program. Part...
AI coachingcalorie trackingweight loss appspersonalized nutrition
Systematic Review 10 February 2026
Mitchell S, Zhang W, Nair P
This PRISMA-compliant systematic review analyzed 89 studies evaluating caloric estimation accuracy of consumer nutrition tracking applications published between January 2020 and December 2025. Across...
calorie trackingfood trackernutrition appsMAPE