Can multivitamins slow memory loss?

May 21, 2024

Results of the COSMOS clinical trial indicated that multivitamins could slow memory loss and cognitive decline versus a placebo. Is this clinically significant? Join us in Medical History Mysteries as we probe further into this topic.

Pamela Maragliano-Muniz, DMD

Tom Viola, RPh, CCP

Is there any true benefit to taking multivitamins?

The COSMOS clinical trial evaluated individuals aged 60 and older who took a multivitamin for two to three years. Results indicated that multivitamins could slow memory loss and cognitive decline versus a placebo.

Is this clinically significant? Improvement in cognition for study participants was small, so multivitamins may not be a slam dunk. Formulations in multivitamins vary and dietary supplements in general aren’t regulated by the FDA, so we must be aware of all medications—prescription and over-the-counter—that our patients are taking.

Join us in this episode of Medical History Mysteries as we talk more about this study, look at how multivitamins can interact with other medications, and discuss ways to answer patients’ questions about supplements.

Thumbnail background image credit: Helen Slyvinska / iStock / Getty Images Plus

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Editor’s note: This article first appeared in Clinical Insights newsletter, a publication of the Endeavor Business Media Dental Group. Read more articles and subscribe.

About the Author

Pamela Maragliano-Muniz, DMD

Pamela Maragliano-Muniz, DMD, is the chief editor of DentistryIQ and editorial co-director of Through the Loupes. Based in Salem, Massachusetts, Dr. Maragliano-Muniz began her clinical career as a dental hygienist. She went on to attend Tufts University School of Dental Medicine, where she earned her doctorate in dental medicine. She then attended the University of California, Los Angeles, School of Dental Medicine, where she became board-certified in prosthodontics. Dr. Maragliano-Muniz owns a private practice, Salem Dental Arts, and lectures on a variety of clinical topics. You may contact her at [email protected].

About the Author

Tom Viola, RPh, CCP

With more than 30 years’ experience as a board-certified pharmacist, clinical educator, professional speaker, and published author, Tom Viola, RPh, CCP, has earned the reputation as the go-to specialist for making pharmacology practical and useful for dental teams. He is the founder of Pharmacology Declassified and is a member of the faculty of more than 10 dental professional degree programs. Viola has contributed to several professional journals and pharmacology textbooks, and currently serves as a consultant to the American Dental Association’s Council on Scientific Affairs.