Clinical & Vitamin Response to a Short-Term Multi-Micronutrient Intervention in Brazilian Children & Teens: From Population Data to Inter-Individual Responses.
MOLECULAR NUTRITION & FOOD RESEARCH(2018)
摘要
ScopeMicronutrients are in small amounts in foods, act in concert, and require variable amounts of time to see changes in health and risk for disease. These first principles are incorporated into an intervention study designed to develop new experimental strategies for setting target recommendations for food bioactives for populations and individuals. Methods and resultsA 6-week multivitamin/mineral intervention is conducted in 9-13 year olds. Participants (136) are (i) their own control (n-of-1); (ii) monitored for compliance; (iii) measured for 36 circulating vitamin forms, 30 clinical, anthropometric, and food intake parameters at baseline, post intervention, and following a 6-week washout; and (iv) had their ancestry accounted for as modifier of vitamin baseline or response. The same intervention is repeated the following year (135 participants). Most vitamins respond positively and many clinical parameters change in directions consistent with improved metabolic health to the intervention. Baseline levels of any metabolite predict its own response to the intervention. Elastic net penalized regression models are identified, and significantly predict response to intervention on the basis of multiple vitamin/clinical baseline measures. ConclusionsThe study design, computational methods, and results are a step toward developing recommendations for optimizing vitamin levels and health parameters for individuals.
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关键词
community-based participatory research,metabolic health,micronutrients,targeted and systems nutrition
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