Vitamins and psychological functioning: a mobile phone assessment of the effects of a B vitamin complex, vitamin C and minerals on cognitive performance and subjective mood and energy

David Kennedy, Rachel Veasey, Anthony Watson, Fiona Dodd, Emma Jones, Brian Tiplady, Crystal Haskell

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Objectives A significant minority of the population consume multi-vitamins/minerals for their putative health benefits, including potentially beneficial effects on cognitive performance, fatigue and mood. The current study investigated the effect of supplementation with a multi-vitamin/mineral on fatigue and cognitive function in healthy females. Methods In this placebo-controlled, double blind, randomized, parallel groups trial the effect of a multi-vitamin/mineral (Supradyn1) was assessed in 216 females aged 25–50 years. Participants attended the laboratory before and 9 weeks after commencing treatment. During both visits cognitive function and the modulation of task related mood/fatigue were assessed in two discrete 20-min assessment periods during which participants completed a four-module version of the Multi-Tasking Framework. Results Those in the vitamin/mineral group exhibited an attenuation of the negative effects of extended task completion on mood/fatigue. Multi-tasking performance for this group was also improved in terms of accuracy across all tasks, and on two of the individual tasks(Mathematical Processing and Stroop) in terms of both faster and more accurate responses. Analysis of a subsection (N¼102) demonstrated significant reductions in homocysteine levels following the vitamins/mineral supplement. Conclusions These findings suggest that healthy members of the general population may benefit from augmented levels of vitamins/minerals via direct dietary supplementation.
Original languageEnglish
Pages (from-to)338-347
JournalHuman Psychopharmacology: Clinical and Experimental
Volume26
Issue number4-5
DOIs
Publication statusPublished - 2011

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