Personalized nutrition and multivitamin supplementation
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Personalized Nutrition: Tailoring Multivitamin Supplementation for Individual Needs
Personalized nutrition uses information about a person’s genetics, lifestyle, and health status to create tailored dietary recommendations, including the use of multivitamin and multimineral supplements (MVMS) 110. This approach recognizes that people respond differently to nutrients due to factors like genetics, age, gut microbiome, and physical activity, making one-size-fits-all recommendations less effective 310.
Multivitamin Supplementation: Addressing Micronutrient Deficiencies
Micronutrient deficiencies are common, especially among older adults and those with poor dietary habits, even in countries with abundant food supplies 1246. MVMS can help fill nutritional gaps, reduce the prevalence of deficiencies, and improve nutritional biomarker status for key nutrients such as folate, iodine, selenium, and vitamins B6, B12, and D 146. Consistent use of MVMS is particularly beneficial for middle-aged and older adults, and for those who are obese, who may be at higher risk for certain deficiencies .
Health Benefits and Risks of Multivitamin Use
Research shows that MVMS can improve health markers such as oxidative stress, energy metabolism, and cardiovascular health in healthy adults 57. Some studies suggest that MVMS may reduce the risk of certain cancers and cardiovascular diseases, though findings are mixed and ongoing studies like COSMOS aim to provide clearer answers 148. MVMS are generally well tolerated and do not appear to increase the risk of mortality or major diseases in the general population .
However, there is a potential risk of exceeding safe intake levels for some nutrients, such as folic acid, especially with consistent supplement use 16. Healthcare providers should consider individual factors like polypharmacy, chronic conditions, and possible interactions when recommending MVMS, particularly for older adults .
Personalized Nutrition Interventions: Evidence of Effectiveness
Personalized nutrition interventions, which use individual data such as genetics, blood biomarkers, and lifestyle, have been shown to be more effective than standard dietary advice in improving health outcomes. For example, a randomized controlled trial in overweight/obese adults found that personalized recommendations—including advice to take MVMS—led to greater improvements in body weight, blood lipids, and other health markers compared to conventional guidance . Personalized approaches can help target specific deficiencies and optimize health benefits 310.
Emerging Research and Future Directions
Advances in nutrigenomics and systems biology are enabling more precise studies of how nutrition and genetic factors interact, paving the way for more effective personalized nutrition strategies 110. New research models and interdisciplinary care approaches are being developed to better assess and address nutritional needs, especially in older adults . There is also growing interest in how MVMS may influence metabolic health, energy expenditure, and even the gut microbiome, with animal studies suggesting potential benefits for obesity and metabolic dysfunction .
Conclusion
Personalized nutrition, including tailored multivitamin supplementation, offers a promising approach to improving health by addressing individual nutritional needs and reducing the risk of deficiencies. While MVMS can help fill dietary gaps and may provide additional health benefits, recommendations should be individualized to maximize benefits and minimize risks. Ongoing research and advances in personalized nutrition are expected to further refine these strategies and improve health outcomes for diverse populations.
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