Story perspectives

Multivitamins Show Modest Benefits for Some Seniors' Blood Pressure

12/7/2025

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Summary

Story summary

Mass General Brigham-led COcoa Supplement and Multivitamin Outcomes Study (COSMOS) finds multivitamins do not significantly lower blood pressure in older adults overall.
However, modest benefits appear for individuals with poor diets or normal baseline blood pressure.
The study enrolled 8,905 participants over 3.4 years and researchers published the findings in the American Journal of Hypertension.
Researchers call for further studies to assess effects in younger and middle-aged adults.

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Story summary

Mass General Brigham-led COcoa Supplement and Multivitamin Outcomes Study (COSMOS) finds multivitamins do not significantly lower blood pressure in older adults overall.
However, modest benefits appear for individuals with poor diets or normal baseline blood pressure.
The study enrolled 8,905 participants over 3.4 years and researchers published the findings in the American Journal of Hypertension.
Researchers call for further studies to assess effects in younger and middle-aged adults.