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      Benefits of micronutrient supplementation on nutritional status, energy metabolism, and subjective wellbeing Translated title: Beneficios de la suplementación con micronutrientes sobre el estado nutricional, el metabolismo energético y el bienestar subjetivo

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          Abstract

          Abstract The human body, particularly the brain, requires energy, stored in the form of adenosine triphosphate. Energy metabolism during cellular respiration is dependent on the presence of multiple micronutrients, which act as essential components, coenzymes, or precursors at every stage. An adequate supply of multiple micronutrients is vital for efficient energy production. However, micronutrient intakes below the recommended dietary allowance are common, even in industrialized countries. Intakes of vitamins A, D, E, folate, iron, zinc, and selenium are suboptimal across all age groups. Suboptimal micronutrient levels have been shown to contribute to low energy levels, physical and mental fatigue, and impaired cognitive performance and wellbeing – symptoms frequently present in the general population. When supplemented in combination in well-conducted trials, multiple micronutrients ± coenzyme Q10 reduced oxidative stress in chronic fatigue syndrome; in healthy people they increased cerebral blood-flow hemodynamic response, energy expenditure, and fat oxidation; reduced mental and physical fatigue; improved the speed and accuracy of cognitive function during demanding tasks; and reduced stress. The results from these clinical trials suggest that even in industrialized countries, where adults might be assumed to have a healthy, balanced diet, there is a rationale to supplement with multiple micronutrients, including coenzyme Q10, to improve nutritional status, support energy metabolism, and improve subjective wellbeing.

          Translated abstract

          Resumen El cuerpo humano, particularmente el cerebro, requiere energía, almacenada en forma de adenosina trifosfato. El metabolismo de la energía durante la respiración celular depende de la presencia de múltiples micronutrientes, que actúan como componentes esenciales, coenzimas o precursores en cada etapa. Un aporte adecuado de múltiples micronutrientes es vital para una producción eficiente de energía. Sin embargo, la ingesta de micronutrientes inferior a la recomendada es frecuente, incluso en los países industrializados. Las ingestas de vitaminas A, D, E, folato, hierro, zinc y selenio son subóptimas en todos los grupos de edad. Se ha demostrado que las situaciones subóptimas en relación con diversos micronutrientes contribuyen a tener niveles bajos de energía, fatiga física y mental, y deterioro del rendimiento cognitivo y el bienestar, síntomas presentes a menudo en la población general. Sin embargo, cuando se suplementa en ensayos bien controlados, con una combinación de diversos micronutrientes ± coenzima Q10, se constata una reducción del estrés oxidativo en el síndrome de fatiga crónica y, en las personas sanas, se observa un aumento de la respuesta hemodinámica del flujo sanguíneo cerebral, el gasto energético y la oxidación de la grasa; una reducción de la fatiga mental y física; una mejora de la velocidad y la precisión de la función cognitiva durante la realización de tareas exigentes, y una reducción del estrés. Los resultados de estos ensayos clínicos sugieren que, incluso en los países industrializados, donde se podría suponer que los adultos tienen una dieta saludable y equilibrada, hay motivos para complementarla con múltiples micronutrientes, incluida la coenzima Q10, con el fin de mejorar el estado nutricional, respaldar el metabolismo energético y mejorar el bienestar subjetivo.

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          Synaptic Energy Use and Supply

          Neuronal computation is energetically expensive. Consequently, the brain's limited energy supply imposes constraints on its information processing capability. Most brain energy is used on synaptic transmission, making it important to understand how energy is provided to and used by synapses. We describe how information transmission through presynaptic terminals and postsynaptic spines is related to their energy consumption, assess which mechanisms normally ensure an adequate supply of ATP to these structures, consider the influence of synaptic plasticity and changing brain state on synaptic energy use, and explain how disruption of the energy supply to synapses leads to neuropathology. Copyright © 2012 Elsevier Inc. All rights reserved.
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            Immune Function and Micronutrient Requirements Change over the Life Course

            As humans age, the risk and severity of infections vary in line with immune competence according to how the immune system develops, matures, and declines. Several factors influence the immune system and its competence, including nutrition. A bidirectional relationship among nutrition, infection and immunity exists: changes in one component affect the others. For example, distinct immune features present during each life stage may affect the type, prevalence, and severity of infections, while poor nutrition can compromise immune function and increase infection risk. Various micronutrients are essential for immunocompetence, particularly vitamins A, C, D, E, B2, B6, and B12, folic acid, iron, selenium, and zinc. Micronutrient deficiencies are a recognized global public health issue, and poor nutritional status predisposes to certain infections. Immune function may be improved by restoring deficient micronutrients to recommended levels, thereby increasing resistance to infection and supporting faster recovery when infected. Diet alone may be insufficient and tailored micronutrient supplementation based on specific age-related needs necessary. This review looks at immune considerations specific to each life stage, the consequent risk of infection, micronutrient requirements and deficiencies exhibited over the life course, and the available evidence regarding the effects of micronutrient supplementation on immune function and infection.
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              B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review

              The B-vitamins comprise a group of eight water soluble vitamins that perform essential, closely inter-related roles in cellular functioning, acting as co-enzymes in a vast array of catabolic and anabolic enzymatic reactions. Their collective effects are particularly prevalent to numerous aspects of brain function, including energy production, DNA/RNA synthesis/repair, genomic and non-genomic methylation, and the synthesis of numerous neurochemicals and signaling molecules. However, human epidemiological and controlled trial investigations, and the resultant scientific commentary, have focused almost exclusively on the small sub-set of vitamins (B9/B12/B6) that are the most prominent (but not the exclusive) B-vitamins involved in homocysteine metabolism. Scant regard has been paid to the other B vitamins. This review describes the closely inter-related functions of the eight B-vitamins and marshals evidence suggesting that adequate levels of all members of this group of micronutrients are essential for optimal physiological and neurological functioning. Furthermore, evidence from human research clearly shows both that a significant proportion of the populations of developed countries suffer from deficiencies or insufficiencies in one or more of this group of vitamins, and that, in the absence of an optimal diet, administration of the entire B-vitamin group, rather than a small sub-set, at doses greatly in excess of the current governmental recommendations, would be a rational approach for preserving brain health.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                2021
                : 38
                : spe2
                : 3-8
                Affiliations
                [2] San Joan Despí. Barcelona orgnameBayer Hispania Consumer Health Spain
                [1] Basel orgnameBayer Consumer Care AG Switzerland
                Article
                S0212-16112021000500002 S0212-1611(21)03800200002
                10.20960/nh.3788
                b44e7dd9-27fb-460c-803e-42dd62770953

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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                SciELO Spain

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                Original Papers

                Suplementación con varios micronutrientes,Cognitive performance,Energy metabolism,Fatigue,Multiple micronutrient supplementation,Coenzima Q10,Rendimiento cognitivo,Metabolismo energético,Fatiga,Coenzyme Q10

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