Vitamin D

A recent study conducted by researchers at Trinity College Dublin and the University of Limerick has associated vitamin D deficiency with inflammation in older adults. 

Exposure to vitamin D supplements is linked to longer dementia-free survival and a lower rate of dementia when compared to no exposure, a new study has found.

For people with prediabetes, vitamin D supplementation also raises the likelihood of return to normal glucose regulation, physician-researchers say.

Both vitamin D deficiency and insufficiency are tied to weakened muscles, a major risk factor for declining physical function in later life, investigators report.

Neither vitamin D supplementation nor cod liver oil supplementation reduce the risk for COVID-19 infection or serious COVID-19, according to two studies published online Sept. 7 in The BMJ.

Results from a large clinical trial do not support the use of vitamin D supplements to reduce fractures in generally healthy men and women, investigators say.

In some populations, up to 17% of dementia cases could be prevented if vitamin D levels were raised to recommended levels, investigators theorize.

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Review finds no beneficial effects on muscle function, strength, or mass

Secondary analysis of randomized trial shows no difference in progression of KDIGO risk scores with daily vitamin D versus placebo