Rosell, M. S., Hellenius, M. L., de Faire, U. H. & Johansson, G. K. Associations between diet and the metabolic syndrome vary with the validity of dietary intake data. Am. J. Clin. Nutr. 78, 84–90 (2003).
Poslusna, K., Ruprich, J., de Vries, J. H., Jakubikova, M. & van’t Veer, P. Misreporting of energy and micronutrient intake estimated by food records and 24 hour recalls, control and adjustment methods in practice. Br. J. Nutr. 101(Suppl. 2), 73–85 (2009).
Freisling, H. et al. Dietary reporting errors on 24 h recalls and dietary questionnaires are associated with BMI across six European countries as evaluated with recovery biomarkers for protein and potassium intake. Br. J. Nutr. 107, 910–920 (2012).
Ioannidis, J. P. A. The challenge of reforming nutritional epidemiologic research. JAMA 320, 969–970 (2018).
Brennan, L. & Hu, F. B. Metabolomics-based dietary biomarkers in nutritional epidemiology—current status and future opportunities. Mol. Nutr. Food Res. 63, e1701064 (2019).
Guasch-Ferre, M., Bhupathiraju, S. N. & Hu, F. B. Use of metabolomics in improving assessment of dietary intake. Clin. Chem. 64, 82–98 (2018).
Ulaszewska, M. M. et al. Nutrimetabolomics: an integrative action for metabolomic analyses in human nutritional studies. Mol. Nutr. Food Res. 63, e1800384 (2019).
Price, N. D. et al. A wellness study of 108 individuals using personal, dense, dynamic data clouds. Nat. Biotechnol. 35, 747–756 (2017).
Holmes, E. et al. Human metabolic phenotype diversity and its association with diet and blood pressure. Nature 453, 396–400 (2008).
Zeevi, D. et al. Personalized nutrition by prediction of glycemic responses. Cell 163, 1079–1094 (2015).
Nicholson, J. K. & Wilson, I. D. High-resolution proton magnetic-resonance spectroscopy of biological-fluids. Prog. Nucl. Magn. Reson. Spectrosc. 21, 449–501 (1989).
Gavaghan, C. L., Holmes, E., Lenz, E., Wilson, I. D. & Nicholson, J. K. An NMR-based metabonomic approach to investigate the biochemical consequences of genetic strain differences: application to the C57BL10J and Alpk:ApfCD mouse. FEBS Lett. 484, 169–174 (2000).
Stella, C. et al. Susceptibility of human metabolic phenotypes to dietary modulation. J. Proteome Res. 5, 2780–2788 (2006).
Nicholson, G. et al. Human metabolic profiles are stably controlled by genetic and environmental variation. Mol. Syst. Biol. 7, 525 (2011).
Heinzmann, S. S. et al. Stability and robustness of human metabolic phenotypes in response to sequential food challenges. J. Proteome Res. 11, 643–655 (2012).
Claesson, M. J. et al. Gut microbiota composition correlates with diet and health in the elderly. Nature 488, 178–184 (2012).
Garcia-Perez, I. et al. Objective assessment of dietary patterns by use of metabolic phenotyping: a randomised, controlled, crossover trial. Lancet Diabetes Endocrinol. 5, 184–195 (2017).
Gibbons, H. et al. Demonstration of the utility of biomarkers for dietary intake assessment; proline betaine as an example. Mol. Nutr. Food Res. 61, 1700037 (2017).
Scalbert, A. et al. The food metabolome: a window over dietary exposure. Am. J. Clin. Nutr. 99, 1286–1308 (2014).
Fenech, M. Nutrition and genome health. Forum Nutr. 60, 49–65 (2007).
Stamler, J. et al. INTERMAP: background, aims, design, methods, and descriptive statistics (nondietary). J. Hum. Hypertens. 17, 591–608 (2003).
Dennis, B. et al. INTERMAP: the dietary data—process and quality control. J. Hum. Hypertens. 17, 609–622 (2003).
Posma, J. M. et al. Integrated analytical and statistical two-dimensional spectroscopy strategy for metabolite identification: application to dietary biomarkers. Anal. Chem. 89, 3300–3309 (2017).
McLean, R. M. Measuring population sodium intake: a review of methods. Nutrients 6, 4651–4662 (2014).
Yi, S. S. & Kansagra, S. M. Associations of sodium intake with obesity, body mass index, waist circumference, and weight. Am. J. Prev. Med. 46, 53–55 (2014).
Elliott, P. et al. Urinary metabolic signatures of human adiposity. Sci. Transl. Med. 7, 285ra262 (2015).
Aburto, N. J. et al. Effect of lower sodium intake on health: systematic review and meta-analyses. BMJ 346, f1326 (2013).
Teague, C. et al. Ethyl glucoside in human urine following dietary exposure: detection by 1H NMR spectroscopy as a result of metabonomic screening of humans. Analyst 129, 259–264 (2004).
Dahl, H., Stephanson, N., Beck, O. & Helander, A. Comparison of urinary excretion characteristics of ethanol and ethyl glucuronide. J. Anal. Toxicol. 26, 201–204 (2002).
Svensson, B. G., Akesson, B., Nilsson, A. & Paulsson, K. Urinary-excretion of methylamines in men with varying intake of fish from the Baltic Sea. J. Toxicol. Environ. Health 41, 411–420 (1994).
Zhang, A. Q., Mitchell, S. C. & Smith, R. L. Dietary precursors of trimethylamine in man: a pilot study. Food Chem. Toxicol. 37, 515–520 (1999).
de Zwart, F. J. et al. Glycine betaine and glycine betaine analogues in common foods. Food Chem. 83, 197–204 (2003).
Heinzmann, S. S. et al. Metabolic profiling strategy for discovery of nutritional biomarkers: proline betaine as a marker of citrus consumption. Am. J. Clin. Nutr. 92, 436–443 (2010).
Pujos-Guillot, E. et al. Mass spectrometry-based metabolomics for the discovery of biomarkers of fruit and vegetable intake: citrus fruit as a case study. J. Proteome Res. 12, 1645–1659 (2013).
Posma, J. M., Robinette, S. L., Holmes, E. & Nicholson, J. K. MetaboNetworks, an interactive Matlab-based toolbox for creating, customizing and exploring sub-networks from KEGG. Bioinformatics 30, 893–895 (2014).
Drewnowski, A. Defining nutrient density: development and validation of the nutrient rich foods index. J. Am. Coll. Nutr. 28, 421–426 (2009).
Mellen, P. B., Gao, S. K., Vitolins, M. Z. & Goff, D. C. Deteriorating dietary habits among adults with hypertension. Arch. Intern. Med. 168, 308–314 (2008).
Molitor, J. et al. Blood pressure differences associated with Optimal Macronutrient Intake Trial for Heart Health (OMNIHEART)-like diet compared with a typical American diet. Hypertension 64, 1198–1204 (2014).
Posma, J. M. et al. Optimized phenotypic biomarker discovery and confounder elimination via covariate-adjusted projection to latent structures from metabolic spectroscopy data. J. Proteome Res. 17, 1586–1595 (2018).
World Health Organization & Food and Agriculture Organization Diet, Nutrition and the Prevention of Chronic Diseases Technical Report Series 916 (World Health Organization, 2003).
Appel, L. J. et al. A clinical trial of the effects of dietary patterns on blood pressure. DASH Collaborative Research Group. N. Engl. J. Med. 336, 1117–1124 (1997).
Tasevska, N., Runswick, S. A. & Bingham, S. A. Urinary potassium is as reliable as urinary nitrogen for use as a recovery biomarker in dietary studies of free living individuals. J. Nutr. 136, 1334–1340 (2006).
Mente, A., Irvine, E. J., Honey, R. J. D. & Logan, A. G. Urinary potassium is a clinically useful test to detect a poor quality diet. J. Nutr. 139, 743–749 (2009).
Kesteloot, H. et al. Relation of urinary calcium and magnesium excretion to blood pressure: the International Study of Macro- and Micro-nutrients and Blood Pressure and the International Cooperative Study on Salt, other Factors, and Blood Pressure. Am. J. Epidemiol. 174, 44–51 (2011).
Garcia-Perez, I. et al. Urinary metabolic phenotyping the slc26a6 (chloride–oxalate exchanger) null mouse model. J. Proteome Res. 11, 4425–4435 (2012).
Midttun, O., Ulvik, A., Nygard, O. & Ueland, P. M. Performance of plasma trigonelline as a marker of coffee consumption in an epidemiologic setting. Am. J. Clin. Nutr. 107, 941–947 (2018).
Whitton, C. et al. National Diet and Nutrition Survey: UK food consumption and nutrient intakes from the first year of the rolling programme and comparisons with previous surveys. Br. J. Nutr. 106, 1899–1914 (2011).
Iwahori, T. et al. Six random specimens of daytime casual urine on different days are sufficient to estimate daily sodium/potassium ratio in comparison to 7-day 24-h urine collections. Hypertens. Res. 37, 765–771 (2014).
Wilson, T. et al. Spot and cumulative urine samples are suitable replacements for 24-hour urine collections for objective measures of dietary exposure in adults using metabolite biomarkers. J. Nutr. 149, 1692–1700 (2019).
Garcia-Perez, I. et al. An analytical pipeline for quantitative characterization of dietary intake: application to assess grape intake. J. Agric. Food Chem. 64, 2423–2431 (2016).
Dumas, M. E. et al. Assessment of analytical reproducibility of 1H NMR spectroscopy based metabonomics for large-scale epidemiological research: the INTERMAP study. Anal. Chem. 78, 2199–2208 (2006).
Smith, L. M. et al. Large-scale human metabolic phenotyping and molecular epidemiological studies via 1H NMR spectroscopy of urine: investigation of borate preservation. Anal. Chem. 81, 4847–4856 (2009).
Keun, H. C. et al. Analytical reproducibility in 1H NMR-based metabonomic urinalysis. Chem. Res. Toxicol. 15, 1380–1386 (2002).
Nicholson, J. K. et al. Metabolic phenotyping in clinical and surgical environments. Nature 491, 384–392 (2012).
Garcia-Perez, I. et al. Dietary metabotype modelling predicts individual responses to dietary interventions. Nat. Food https://doi.org/10.1038/s43016-020-0092-z (2020).
Holmes, E. et al. Detection of urinary drug metabolite (Xenometabolome) signatures in molecular epidemiology studies via statistical total correlation (NMR) spectroscopy. Anal. Chem. 79, 2629–2640 (2007).
Dieterle, F., Ross, A., Schlotterbeck, G. & Senn, H. Probabilistic quotient normalization as robust method to account for dilution of complex biological mixtures. Application in 1H NMR metabonomics. Anal. Chem. 78, 4281–4290 (2006).
Posma, J. M. et al. Subset Optimization by Reference Matching (STORM): an optimized statistical approach for recovery of metabolic biomarker structural information from 1H NMR spectra of biofluids. Anal. Chem. 84, 10694–10701 (2012).
Garcia-Perez, I. et al. Identifying unknown metabolites using NMR-based metabolic profiling techniques. Nat. Protoc. (in the press).
Macdiarmid, J. & Blundell, J. Assessing dietary intake: who, what and why of under-reporting. Nutr. Res. Rev. 11, 231–253 (1998).
Maroni, B. J., Steinman, T. I. & Mitch, W. E. A method for estimating nitrogen intake of patients with chronic renal-failure. Kidney Int. 27, 58–65 (1985).
Mariotti, F., Tome, D. & Mirand, P. P. Converting nitrogen into protein—beyond 6.25 and Jones’ factors. Crit. Rev. Food Sci. Nutr. 48, 177–184 (2008).
Black, A. E. Critical evaluation of energy intake using the Goldberg cut-off for energy intake: basal metabolic rate. A practical guide to its calculation, use and limitations. Int. J. Obes. 24, 1119–1130 (2000).
Schofield, W. N. Predicting basal metabolic rate, new standards and review of previous work. Hum. Nutr. Clin. Nutr. 39(Suppl. 1), 5–41 (1985).
Fulgoni, V. L. III, Keast, D. R. & Drewnowski, A. Development and validation of the nutrient-rich foods index: a tool to measure nutritional quality of foods. J. Nutr. 139, 1549–1554 (2009).
Storey, J. D. & Tibshirani, R. Statistical significance for genomewide studies. Proc. Natl Acad. Sci. USA 100, 9440–9445 (2003).
Kanehisa, M. & Goto, S. KEGG: Kyoto Encyclopedia of Genes and Genomes. Nucleic Acids Res. 28, 27–30 (2000).
Eckburg, P. B. et al. Diversity of the human intestinal microbial flora. Science 308, 1635–1638 (2005).
The Human Microbiome Project Consortium Structure, function and diversity of the healthy human microbiome. Nature 486, 207–214 (2012).
Hoffmann, C. et al. Archaea and fungi of the human gut microbiome: correlations with diet and bacterial residents. PLoS ONE 8, e66019 (2013).
Gaci, N., Borrel, G., Tottey, W., O’Toole, P. W. & Brugere, J. F. Archaea and the human gut: new beginning of an old story. World J. Gastroenterol. 20, 16062–16078 (2014).
Jaccard, P. Distribution de la flore alpine dans le bassin des Dranses et dans quelques régions voisines. Bull. Soc. Vaudoise Sci. Nat. 37, 241–272 (1901).
Newman, M. E. J. & Girvan, M. Finding and evaluating community structure in networks. Phys. Rev. E 69, 026113 (2004).
Guimera, R. & Nunes Amaral, L. A. Functional cartography of complex metabolic networks. Nature 433, 895–900 (2005).
Wang, Z. & Zhang, J. Z. In search of the biological significance of modular structures in protein networks. PLoS Comput. Biol. 3, 1011–1021 (2007).
Maslov, S. & Sneppen, K. Specificity and stability in topology of protein networks. Science 296, 910–913 (2002).