Evidence map›Paper›PMID 26870152›Full record

ArticleNutrition & metabolism2016

Multivitamins and minerals modulate whole-body energy metabolism and cerebral blood-flow during cognitive task performance: a double-blind, randomised, placebo-controlled trial.

David O Kennedy, Emma J Stevenson, Philippa A Jackson, Sarah Dunn, Karl Wishart, Gregor Bieri, Luca Barella, Alexandra Carne, Fiona L Dodd, Bernadette C Robertson and 2 more

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Nutrition & metabolism, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02381964 (Pilot, Randomized, Placebo-controlled, Double-blind, 3-arm Parallel Groups Trial in Healthy Females to Assess Cerebral Haemodynamics and Energy Expenditure During Cognitive Performance After Supplementation With Two Different Multivitamin / Mineral Preparations.), which is not on this map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
3.5field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT02381964 nacompletednot on this map

Pilot, Randomized, Placebo-controlled, Double-blind, 3-arm Parallel Groups Trial in Healthy Females to Assess Cerebral Haemodynamics and Energy Expenditure During Cognitive Performance After Supplementation With Two Different Multivitamin / Mineral Preparations.

TypeinterventionalSponsorNorthumbria UniversityRan2012 to 2013Enrolled106ConditionsMetabolic ProcessesArmsSupradyn® (1RDA+CoQ10), Supradyn® (3RDA), Placebo
3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 33 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 2 institutions in 2 countries.

David O KennedyBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Emma J StevensonBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Philippa A JacksonBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Sarah DunnBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Karl WishartBayer HealthCare - Consumer Care, Peter Merian Strasse 84, P.O. Box 4002, Basel, Switzerland.
Gregor BieriBayer HealthCare - Consumer Care, Peter Merian Strasse 84, P.O. Box 4002, Basel, Switzerland.
Luca BarellaBayer HealthCare - Consumer Care, Peter Merian Strasse 84, P.O. Box 4002, Basel, Switzerland.
Alexandra CarneBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Fiona L DoddBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Bernadette C RobertsonBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Joanne ForsterBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Crystal F Haskell-RamsayBrain, Performance and Nutrition Research Centre, Northumbria University, Newcastle-upon-Tyne, NE1 8ST UK.
Northumbria University · GBBayer (Switzerland) · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe brain is by far the most metabolically active organ in the body, with overall energy expenditure and local blood-supply closely related to neural activity. Both energy metabolism and cerebral vaso-dilation are dependent on adequate micronutrient status. This study investigated whether supplementation with ascending doses of multi-vitamin/minerals could modulate the metabolic and cerebral blood-flow consequences of performing cognitive tasks that varied in difficulty.

methodsIn this randomised, double-blind, placebo-controlled, parallel-groups study 97 healthy females (25-49 y), who were not selected on the basis of any nutritional parameters, received either placebo or one of two doses of multivitamins/minerals. Cerebral blood-flow (CBF) parameters in the frontal cortex, and total energy expenditure (TotalEnergy), carbohydrate and fat oxidation (CarbOxi/FatOxi), were measured during 5 tasks of graded cognitive difficulty and a control task (5 min per task) using Near-infrared spectroscopy (NIRS) and Indirect calorimetry of exhaled pulmonary gas (ICa) respectively. Assessments took place 60 min after the first dose and following eight weeks supplementation.

resultsDuring task performance supplementation with the first dose of micronutrients led to a dose-dependent increase in TotalEnergy and FatOxi throughout the post-dose assessment period following the higher dose, and increases in the total concentration of haemoglobin, a proxy measure for CBF, during task performance following the lower dose of vitamins/minerals (also containing coenzyme-Q10). Chronic supplementation over 8 weeks led to a dose-dependent increase in TotalEnergy during the task period. There were no interpretable effects on mood or cognitive performance.

conclusionsThese results show that acute supplementation with micronutrients in healthy adults can modulate metabolic parameters and cerebral blood flow during cognitive task performance, and that the metabolic consequences are sustained during chronic supplementation. These findings suggest that both brain function and metabolism are amenable to micronutrient supplementation, even in adults who are assumed to have nutritional status typical of the population.

trial registrationClinicalTrials.gov - NCT02381964.

Indexed as

Cerebral blood-flowCoenzyme Q10CognitiveIndirect calorimetryMetabolismMineralsNIRSVitamins

Identifiers

PMID26870152
PMCPMC4750202
OpenAlexW2255582525

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.