Personalized glucose prediction using in situ data only

The worldwide rise in blood glucose levels is a major health concern, as various metabolic diseases become increasingly common. Diet, a modifiable health behaviour, is a primary target for the preventive management of glucose levels. Recent studies have shown that blood glucose responses after meals...

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Main Authors: Rohan Singh, Marouane Toumi, Marcel Salathé
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Nutrition
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Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2025.1539118/full
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author Rohan Singh
Marouane Toumi
Marcel Salathé
author_facet Rohan Singh
Marouane Toumi
Marcel Salathé
author_sort Rohan Singh
collection DOAJ
description The worldwide rise in blood glucose levels is a major health concern, as various metabolic diseases become increasingly common. Diet, a modifiable health behaviour, is a primary target for the preventive management of glucose levels. Recent studies have shown that blood glucose responses after meals (post-prandial glucose responses, PPGR) can vary greatly among individuals, even with identical food consumption, and demonstrated accurate PPGR prediction using various features like microbiome data and blood parameters. Our study addresses whether accurate PPGR prediction can be achieved with a limited and easily obtainable set of data collected in real-world, everyday settings. Here, we show that a machine learning algorithm with such real-world data (RWD) collected from a digital cohort with over 1,000 participants can achieve high accuracy in PPGR prediction. Interestingly, we find that the best PPGR prediction model only required glycemic and temporally resolved diet data. This ability to predict PPGR accurately without the need for biological lab analysis offers a path toward highly scalable personalized nutrition and glucose management strategies.
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spelling doaj-art-65ae42c9b79141eea9284e970fb0ff6f2025-08-20T03:45:44ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2025-06-011210.3389/fnut.2025.15391181539118Personalized glucose prediction using in situ data onlyRohan SinghMarouane ToumiMarcel SalathéThe worldwide rise in blood glucose levels is a major health concern, as various metabolic diseases become increasingly common. Diet, a modifiable health behaviour, is a primary target for the preventive management of glucose levels. Recent studies have shown that blood glucose responses after meals (post-prandial glucose responses, PPGR) can vary greatly among individuals, even with identical food consumption, and demonstrated accurate PPGR prediction using various features like microbiome data and blood parameters. Our study addresses whether accurate PPGR prediction can be achieved with a limited and easily obtainable set of data collected in real-world, everyday settings. Here, we show that a machine learning algorithm with such real-world data (RWD) collected from a digital cohort with over 1,000 participants can achieve high accuracy in PPGR prediction. Interestingly, we find that the best PPGR prediction model only required glycemic and temporally resolved diet data. This ability to predict PPGR accurately without the need for biological lab analysis offers a path toward highly scalable personalized nutrition and glucose management strategies.https://www.frontiersin.org/articles/10.3389/fnut.2025.1539118/fullpersonalized nutritionreal-world datareal-world evidencedigital cohortgut microbiome
spellingShingle Rohan Singh
Marouane Toumi
Marcel Salathé
Personalized glucose prediction using in situ data only
Frontiers in Nutrition
personalized nutrition
real-world data
real-world evidence
digital cohort
gut microbiome
title Personalized glucose prediction using in situ data only
title_full Personalized glucose prediction using in situ data only
title_fullStr Personalized glucose prediction using in situ data only
title_full_unstemmed Personalized glucose prediction using in situ data only
title_short Personalized glucose prediction using in situ data only
title_sort personalized glucose prediction using in situ data only
topic personalized nutrition
real-world data
real-world evidence
digital cohort
gut microbiome
url https://www.frontiersin.org/articles/10.3389/fnut.2025.1539118/full
work_keys_str_mv AT rohansingh personalizedglucosepredictionusinginsitudataonly
AT marouanetoumi personalizedglucosepredictionusinginsitudataonly
AT marcelsalathe personalizedglucosepredictionusinginsitudataonly