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Multivitamin, mineral supplement may lower illness severity


September 24, 2020

3 min read


Disclosures:
Gombart reports consulting for DSM and the The Coca Cola Company, and consulting for Bayer Consumer Care AG for educational purposes in the past. Please see the study for all other authors’ relevant financial disclosures.


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Multivitamin and mineral supplementation may decrease the length and severity of illnesses such as respiratory infections in older adults, according to research published in Nutrients.

Researchers conducted a two-armed, parallel, randomized double-blinded study at a single center in Oregon to evaluate the impact of a multivitamin and mineral (MVM) supplement (Redoxon VI, Bayer) on the immune function of adults aged 55 years and older.


Length of illness with MVM vs placebo

Reference: Fantacone Ml, et al. Nutrients. 2020;doi:10.3390/nu12082447.

Participants were assigned to take a MVM supplement each day for 12 weeks or placebo. Three weeks before receiving treatment, participants were asked to restrict their diet to one 4-ounce serving of salmon, shellfish, beef, dark meat poultry, lamb and liver each week and to reduce their intake of citrus fruits and juice to two servings each day. They were also asked to stop taking multivitamins and food or beverages containing zinc, vitamin C and vitamin D.

A total of 42 adults aged 55 to 75 years were included in the study. They completed a diary each day to record their supplement intake and any symptoms of illness. Researchers collected blood and saliva from participants at baseline, week 6 and week 12.

Diary entries and samples were used to measure blood, mineral and vitamin status, immune function, immune status and self-reported health.

Researchers determined that immunity indictors, such as the ability of white blood cells to kill pathogens, did not change in the MVM group. They also found that participants in the MVM group had improved vitamin C and zinc status in their blood.

Participants in the MVM group reported less severe symptoms of illness. Although there was not a difference in the percentage of participants who reported illness, those in the placebo group were ill for a mean 6.43 days, while those in the MVM group were ill for a mean of 2.29 days.

Photo of Adrian Gombart

Adrian F. Gombart

Healio Primary Care spoke with Adrian F. Gombart, PhD, principal investigator at the Linus Pauling Institute and professor in the department of biochemistry and biophysics at Oregon State University, to learn more about the findings and the effects of MVM supplementation.

Q: How does this study differ from previous findings on multivitamins?

A: This study is different from previous ones in that it was assessing an MVM supplement formulated to support and improve immune function. The goal was to determine if the additional vitamin C in combination with other micronutrients and minerals that support immune function would affect immune cell function in MVM participants as compared to the matched placebo. We…



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