Multivitamin Supplementation Improves Memory
in Older Adults: A Randomized Clinical TrialThis section is compiled by Frank M. Painter, D.C.
Send all comments or additions to: Frankp@chiro.org
FROM: American J Clinical Nutrition 2023 (May 24) [EPUB] ~ FULL TEXT
Lok-Kin Yeung, Daniel M Alschuler, Melanie Wall, Heike Luttmann-Gibson, Trisha Copeland, Christiane Hale, Richard P Sloan, Howard D Sesso, JoAnn E Manson, Adam M Brickman
Taub Institute for Research on Alzheimer's Disease and the Aging Brain,
Vagelos College of Physicians and Surgeons,
Columbia University,
New York, NY, United States.
Background: Maintenance of cognitive abilities is of critical importance to older adults, yet few effective strategies to slow cognitive decline currently exist. Multivitamin supplementation is used to promote general health; it is unclear whether it favorably affects cognition in older age.
Objectives: To examine the effect of daily multivitamin/multimineral supplementation on memory in older adults.
Methods: The COcoa Supplement and Multivitamin Outcomes Study Web (COSMOS-Web) ancillary study (NCT04582617) included 3562 older adults. Participants were randomly assigned to a daily multivitamin supplement (Centrum Silver) or placebo and evaluated annually with an Internet-based battery of neuropsychological tests for 3 y. The prespecified primary outcome measure was change in episodic memory, operationally defined as immediate recall performance on the ModRey test, after 1 y of intervention. Secondary outcome measures included changes in episodic memory over 3 y of follow-up and changes in performance on neuropsychological tasks of novel object recognition and executive function over 3 y.
Results: Compared with placebo, participants randomly assigned to multivitamin supplementation had significantly better ModRey immediate recall at 1 y, the primary endpoint (t(5889) = 2.25, P = 0.025), as well as across the 3 y of follow-up on average (t(5889) = 2.54, P = 0.011). Multivitamin supplementation had no significant effects on secondary outcomes. Based on cross-sectional analysis of the association between age and performance on the ModRey, we estimated that the effect of the multivitamin intervention improved memory performance above placebo by the equivalent of 3.1 y of age-related memory change.
Conclusions: Daily multivitamin supplementation, compared with placebo, improves memory in older adults. Multivitamin supplementation holds promise as a safe and accessible approach to maintaining cognitive health in older age. This trial was registered at clinicaltrials.gov as NCT04582617.
Keywords: aging; clinical trial; cognition; diet; multivitamins; remote testing.
From the FULL TEXT Article:
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Acknowledgements
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